10 Best Synology NAS in 2026

A Synology NAS can centralize important files, automate backups, support private cloud access, and provide a dependable home for photos, videos, and business data. The right model depends on bay count, processor, memory, networking, expansion potential, and the workloads you expect it to handle.

This guide compares ten Synology NAS listings, including diskless enclosures and bundles that arrive with Seagate Ironwolf hard drives. We considered storage flexibility, network connections, processor and memory details, protection features, surveillance support, warranty coverage, and suitability for homes, studios, and small businesses.

The selections reveal how Synology scales from a compact one-bay personal vault to four-bay and eight-bay systems for demanding teams. Each review explains the product's strongest use case and important trade-offs. Product availability, configurations, and prices can change, so confirm the current listing and drive compatibility before purchasing.

Top 3 Picks for Best Synology NAS

Top 10 Best Synology NAS in 2026 Compared

This side-by-side comparison covers diskless and hard-drive-bundle Synology NAS models, highlighting the differences in bay capacity, networking, memory, expansion, data protection, and intended workloads.

1. Synology DS925+ – Best Overall Synology NAS

4.3Editor scoreCheck price on Amazon

Synology DS925+

Four hot-swappable drive bays

Up to 522 MB/s reads

Up to 565 MB/s writes

Dual 2.5GbE LAN ports

The Synology DS925+ is a four-bay DiskStation that combines useful business performance with the flexibility to start without hard drives and add compatible storage later. Its 4.3 rating reflects a well-rounded system for centralized files, backups, virtualization, and surveillance. Sequential performance reaches up to 522 MB/s for reads and 565 MB/s for writes, giving it a useful foundation for modern home offices and small businesses.

Pros

• Strong sequential transfer performance
• Useful dual 2.5GbE networking
• Broad business application support
• Clear expansion potential
• Three-year limited warranty

Cons

• Requires separately purchased drives
• Higher cost than two-bay models

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Two 2.5GbE network ports are the model's most important networking advantage. They allow the NAS to benefit from faster switches and network infrastructure, while the product information also identifies them as a way to increase network redundancy. The included software expands the possibilities beyond basic file storage, with built-in applications for file management, photo management, data protection, virtualization, and surveillance. A three-year limited hardware warranty also provides a stronger support commitment than the two-year coverage listed for several consumer-oriented models.

The main trade-off is that this is a diskless unit. Buyers must source drives independently and verify them against Synology's official compatibility list. Four bays also make the enclosure larger and more expensive than a two-bay alternative, and its performance depends on using suitable drives and a network that can take advantage of the available bandwidth. Those considerations make it more of an investment than a simple plug-in-and-go personal file server.

The DS925+ is a strong recommendation for a small business, creative professional, or serious home user who wants room to grow. It is particularly convincing when a four-drive array, faster networking, and business applications are priorities. For a lighter household workload or a compact installation, the DS223 may be easier to justify, but the DS925+ offers the more balanced long-term foundation.

Performance for Growing Workloads

Sequential speeds of up to 522 MB/s reads and 565 MB/s writes make the DS925+ suitable for large transfers and demanding daily storage tasks. Its Ryzen-based bundle variants also provide four gigabytes of ECC memory, although the base enclosure's exact memory configuration should be confirmed before purchase.

Networking With Room to Improve

Dual 2.5GbE ports offer a meaningful upgrade over basic single-gigabit connectivity and can support aggregation or redundancy depending on the network configuration. Existing switches, adapters, and client hardware must also support the faster connections to realize the full benefit.

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2. Synology DS223 – Best Budget Synology NAS

4.6Editor scoreCheck price on Amazon

Synology DS223

Two-bay diskless design

Multi-device automated backups

Cloud and external destinations

IP camera monitoring

The Synology DS223 is a two-bay NAS built around straightforward consolidation, protection, and access to important files. Its 4.6 rating is the highest among the listed models, reflecting a favorable balance of features and user appeal. It targets homes and small offices that want one accessible location for documents, photos, and projects without relying entirely on recurring cloud storage.

Pros

• High 4.6 customer rating
• Straightforward home and office use
• No recurring cloud subscription required
• Useful file collaboration features
• Surveillance monitoring capabilities

Cons

• Drives sold separately
• Only two internal drive bays

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The strongest feature is the breadth of its backup workflow. It can automate backups from Macs, PCs, and mobile devices to multiple destinations, including cloud services and external drives. It also supports private file sharing and professional collaboration, allowing teams to exchange projects and maintain versions without depending on a subscription-based file-sharing platform. For property monitoring, compatible IP cameras can be organized into a surveillance system with motion alerts, recording schedules, and remote viewing.

Its two-bay format is the central limitation and also its advantage. It is more compact than a four- or eight-bay system, and mirrored storage can provide a straightforward way to protect against the loss of a single drive. However, it cannot offer the same number of drives, raw capacity, or expansion flexibility as larger DiskStation models. It is also sold as a diskless unit, so compatible hard drives are an additional purchase and a significant part of the final setup cost.

The DS223 is best for a couple, family, freelancer, or small office seeking affordable local storage with useful backup and surveillance functions. Choose it when two bays and current workload requirements are sufficient, but move to a four-bay model if media libraries, more users, or significant future growth are expected. For straightforward value, it is one of the most compelling configurations in the guide.

Backups for Every Device

Automated backup support for Macs, PCs, and mobile devices reduces the chance that a single device failure will result in lost photos, documents, or videos. Multi-destination support is particularly valuable because it allows a practical backup strategy that does not depend on one storage method.

A Private Collaboration Hub

Shared folders, client access, document synchronization, and version control make the DS223 useful beyond personal storage. Teams can maintain local control of project files while still providing selected collaborators with convenient remote access.

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3. Synology DS1825+ – Best Premium Synology NAS

4.0Editor scoreCheck price on Amazon

Synology DS1825+

Eight hot-swappable drive bays

Up to 2,239 MB/s speeds

10GbE or 25GbE upgrades

Expansion from 160TB to 360TB

The Synology DS1825+ is built for demanding creative organizations, large media archives, and production teams that need far more than a basic home file server. Its 4.0 rating is the lowest in this comparison, but the specifications show why the enclosure targets a specialized market. It supports 50 or more concurrent users working with 4K or 8K projects, along with databases, virtual machines, and media services.

Pros

• Exceptional high-speed performance
• Large eight-bay base capacity
• Extensive production workload support
• High-availability clustering options
• Three-year warranty and support

Cons

• Most expensive enclosure in guide
• Requires high-end networking hardware

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The headline performance figure of up to 2,239 MB/s is intended for well-equipped networks and appropriate storage configurations. Buyers can select 10GbE or 25GbE network upgrade cards, making this an attractive platform for editors who regularly move large footage, renders, and project files. Eight bays provide a generous starting point, and the system can expand from 160TB to 360TB with compatible expansion units, accommodating archives that continue to grow.

Reliability is emphasized through high-availability clustering, automated failover, and comprehensive backup capabilities. Those features make sense for production environments where access interruptions or data loss can affect an entire team. The trade-offs are substantial: the enclosure is large, drives are not included, and the hardware needed to approach its maximum transfer performance is costly. A business also needs compatible clients, switches, network cards, and careful storage planning.

The DS1825+ is the most compelling choice for video production, broadcast media, post-production, and other data-intensive businesses that can exploit its scale. It is less rational for ordinary household file storage, where a two- or four-bay model would be easier to manage. Buyers should match the network infrastructure to the workload and verify expansion compatibility before committing to this premium platform.

Built for Heavy Media Workflows

Support for large concurrent user groups and high-resolution projects positions the DS1825+ for post-production and broadcast work. Running databases, virtual machines, and media services alongside large files demands more than basic shared-folder performance.

Enterprise Continuity Features

High-availability clustering and automated failover target organizations that cannot tolerate prolonged service disruption. A three-year warranty, enterprise support options, and dedicated technical account management add value for mission-critical installations.

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4. Synology DS925+ 32TB Bundle – Ready-to-Use Four-Bay Storage

4.5Editor scoreCheck price on Amazon

Synology DS925+ 32TB Bundle

Four included 8TB drives

Ryzen V1500B quad-core

4GB ECC memory

Up to 32GB memory

The DS925+ 32TB bundle combines the four-bay Synology DS925+ platform with four 8TB Seagate Ironwolf hard drives. Its 4.5 rating makes it one of the strongest-performing listings in the guide, and it removes the need to choose compatible drives separately. It is an attractive option for buyers who want a functioning storage system with a substantial amount of usable capacity from the outset.

Pros

• Storage and drives included together
• ECC memory supports business use
• Dual 2.5GbE connectivity
• Two M.2 NVMe slots
• Supports third-party drives

Cons

• Fixed initial drive configuration
• Large capacity requires careful planning

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Inside, an AMD Ryzen V1500B quad-core processor and 4GB of DDR4 ECC memory provide a business-oriented foundation. Memory can be expanded to 32GB. Four hot-swappable bays accept 2.5-inch or 3.5-inch drives, and a DX525 expansion unit can raise the system's support to nine drives. Dual 2.5GbE LAN ports, two M.2 NVMe slots, and two USB 3.2 Gen1 ports provide a versatile foundation for storage, backup, virtualization, and surveillance.

Compared with the diskless DS925+, this bundle is simpler for a first-time buyer but less flexible. The included drives establish an immediate storage configuration, while adding another comparable bundle later requires removing and reusing existing drives. A four-drive array also creates more opportunities for RAID, backup, and capacity management, so new owners should establish a clear protection strategy rather than treating all available space as expendable.

This bundle is well suited to a small business, creative studio, or advanced home user who wants fast networking, ECC memory, and immediate capacity. The product information also identifies it as a DS923+ successor compatible with third-party hard drives since DSM 7.3, giving buyers more freedom when the included set eventually needs expansion or replacement.

Useful Processing Headroom

The Ryzen V1500B processor and ECC memory distinguish this bundle from more basic two-bay configurations. Those resources make the system better suited to storage services, virtualization, and backup applications that benefit from additional memory and processing capability.

Flexible Cache and Expansion

Two M.2 NVMe slots can be used for cache or storage pools, while a DX525 unit expands the system to nine drives. This gives the platform useful pathways for increasing performance or capacity after installation.

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5. Synology DS124 – Best Compact Synology NAS

4.3Editor scoreCheck price on Amazon

Synology DS124

Single-bay diskless design

Apple and Android backups

Mac and Windows compatibility

AI-powered surveillance alerts

The Synology DS124 is the most compact and focused model in the guide, designed as a personal backup and file hub. Its 4.3 rating indicates a generally well-received device, while the one-bay format distinguishes it from every mirror-capable two-bay alternative here. It is a sensible option for someone who primarily wants a dedicated home for photos, documents, and important computer files.

Pros

• Compact personal storage design
• Simple phone and computer backups
• Private file access from anywhere
• Useful home security alerts
• No required monthly subscription

Cons

• No drive redundancy within enclosure
• One bay limits future growth

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Automated backup support covers iPhone, Android, Mac, and Windows devices, allowing important images and documents to be copied to one secure location. Remote access and sharing make the stored files available beyond the home network without requiring a conventional cloud subscription. The DS124 can also operate as a smart-home security hub, using AI-powered surveillance to detect people and vehicles and send instant alerts through compatible cameras.

The single drive bay is the essential caveat. With no second bay, the enclosure cannot provide the internal drive redundancy available from a two-bay mirror. A separate backup destination becomes especially important, as should be true for every NAS, but it is a more critical design consideration here. The lack of additional bays also means the DS124 cannot grow into a larger multi-drive system without changing platforms or adding separate storage.

The DS124 makes the most sense for a first NAS, a compact home installation, or a user whose priorities are personal backups, private file access, and camera alerts. It should not be selected for a business that requires mirrored volumes, high availability, or substantial future expansion. Verify the current camera, mobile backup, and third-party drive requirements before installation.

Personal Data in One Place

Phone and computer backups centralize photos, videos, and documents that might otherwise be scattered across multiple devices. Automatic scheduling helps make this routine protection more consistent than remembering to transfer files manually.

Compact Surveillance Alerts

Compatible IP cameras can be monitored through the NAS, with detection of people and vehicles supporting instant notifications. This creates a useful security layer for a home, although storage planning is necessary for continuous recording.

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6. Synology DS225+ 8TB Bundle – Compact Mirrored Storage

4.6Editor scoreCheck price on Amazon

Synology DS225+ 8TB Bundle

Two included 4TB drives

Intel Celeron J4125

2GB non-ECC DDR4 memory

Dual network port design

The DS225+ 8TB bundle is a compact two-bay package with two 4TB Seagate Ironwolf drives included. It carries a 4.6 rating, placing it among the most favorably rated options in the guide. The combination is useful for a new Synology owner who wants a two-drive mirror, local file access, and data-protection features without selecting and installing every component separately.

Pros

• Complete two-drive starting package
• High 4.6 customer rating
• SHR supports flexible management
• Btrfs snapshots improve resilience
• Third-party drive compatibility

Cons

• Limited included raw capacity
• Non-ECC memory is less enterprise-oriented

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The Intel Celeron J4125 is a quad-core processor paired with 2GB of non-ECC DDR4 SODIMM memory, which can be expanded to 6GB using a 2GB and 4GB module. The network arrangement includes one 2.5GbE and one 1GbE RJ-45 port, giving faster clients a path to improved transfer rates while retaining a conventional connection. For storage management, Synology Hybrid RAID allows flexible arrangements, and the Btrfs file system adds snapshot technology for additional recovery options.

The bundle's two included drives are the primary convenience, but they also influence how much room remains for growth. Users should decide early whether to use the drives as a mirrored pair or allocate them differently according to their data-protection needs. The lower non-ECC memory configuration and modest processor position this bundle below the Ryzen-based DS925+ and DS1825+ for demanding workloads such as extensive virtualization or large concurrent editing teams.

This package is a convincing recommendation for a family, home office, or small business that wants a straightforward mirrored NAS with ready-made storage. It is particularly useful when the included capacity is sufficient for the initial library and the owner values simple Synology Hybrid RAID management. Owners who need substantially more capacity should also compare the 16TB version or a larger platform before finalizing the setup.

Flexible Storage Management

Synology Hybrid RAID gives users a practical way to manage a two-bay system while retaining room to change capacity later. A mirrored layout can provide a useful first layer of protection, but snapshots and another backup destination should complete the strategy.

Memory and Network Balance

The dual-port design includes a 2.5GbE connection for faster local transfers and a 1GbE port for compatibility. Upgrading to 6GB of memory can improve responsiveness for more demanding DSM applications, although it is not equivalent to the ECC configurations found in higher-end bundles.

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7. Synology DS423 – Best Family and Business Backup

4.4Editor scoreCheck price on Amazon

Synology DS423

Four-bay diskless design

Up to 30 IP cameras

Immutable snapshot protection

Multi-destination backup support

The Synology DS423 is a four-bay NAS that targets families and small businesses wanting a substantial drive platform without moving into a higher-end DiskStation tier. Its 4.4 rating reflects a well-rounded proposition centered on private cloud access, file sharing, photo storage, backup, and surveillance. Four bays provide more flexibility than a two-bay unit while remaining easier to manage than an eight-bay production system.

Pros

• Balanced four-bay capacity
• Strong ransomware-resistant tools
• Useful for families and small teams
• Supports up to 30 IP cameras
• Remote file and media sharing

Cons

• Camera licenses sold separately
• No hard drives included

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Its protection features are a major strength. Users can back up media and documents to multiple destinations, use snapshots against malware, and create immutable snapshots for ransomware-resistant recovery. File serving adds local team folders, permissions, and controlled sharing, which can replace reliance on general-purpose file-sharing tools for many organizations. The photo-oriented features also make the system useful for building a private media library that family members or collaborators can access remotely.

The DS423 supports up to 30 IP cameras, with motion detection, monitoring, archiving, and analysis tools available for home or business use. Additional camera licenses are purchased separately, so the total number of cameras must be checked against the account and licensing requirements. As a diskless product, it also requires separately selected compatible drives, making initial setup more involved than buying a ready-made bundle.

This is a strong recommendation for a family with a growing photo collection or a small business that needs private collaboration, multi-destination backups, and moderate surveillance capacity. It is a better fit than the DS124 for anyone who values mirrored or multi-drive resilience, and it may be more approachable than the DS925+ for workloads that do not require the strongest business performance. Its four-bay format also gives users room to add storage over time.

Protection Against Ransomware

Immutable snapshots, versioned files, and multi-destination backup strategies provide layers of recovery that help address accidental deletion and malware. A dedicated recovery plan remains important because no single snapshot or connected drive should be treated as the only copy.

Local File Sharing Controls

Team folders, user permissions, and controlled access make the DS423 practical for organizations that want to replace broad consumer file-sharing access with a managed local file server. Remote collaboration still benefits from careful account and permission settings.

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8. Synology DS725+ – Best Expandable Two-Bay Synology NAS

4.1Editor scoreCheck price on Amazon

Synology DS725+

Two-bay diskless design

DX525 expansion support

Up to 140TB total capacity

Up to 30 IP cameras

The Synology DS725+ is a two-bay NAS that can begin as a compact private cloud and later expand into a much larger system. Its 4.1 rating is modest compared with the guide's highest-rated products, but the expansion path is unusually flexible. A compatible DX525 unit adds five drive bays, increasing the platform from two internal bays to seven and supporting a maximum raw capacity of 140TB.

Pros

• Starts with only two drives
• Expands to seven total bays
• Substantial 140TB growth path
• RAID backup and snapshot layers
• Three-year hardware warranty

Cons

• Expansion requires additional hardware
• Lower rating than several alternatives

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The design is well suited to owners who want to avoid buying larger hardware before their libraries require it. Users can start with two drives and add a DX525 when the media library, backups, or business files grow. The system also supports a layered approach to protection through RAID redundancy, automated backups, and snapshot technology. These tools can work together to reduce the risk of lost data from drive failure, accidental changes, or malware.

Surveillance is another major focus. The DS725+ can manage cameras across a home or small business with advanced analytics, motion detection, secure remote access, and support for up to 30 IP cameras. It is sold as a diskless unit, which gives buyers control over drive selection but requires careful compatibility checking. The three-year warranty adds confidence, while the need for an additional expansion enclosure means total-system cost should be considered before the upgrade is required.

The DS725+ suits a home or small business expecting its storage requirements to increase substantially over time. It is especially compelling for users who value a compact starting footprint but want more headroom than a permanently two-bay system can offer. Those who need a simpler one-time purchase may prefer a bundled two-bay package, while high-intensity production teams should consider the faster eight-bay DS1825+.

A Practical Growth Path

Starting with two bays keeps the initial system compact, while DX525 compatibility creates a route to seven drives and 140TB. Expansion is a practical alternative to replacing the entire NAS when storage demands grow, provided the enclosure and drives are planned carefully.

Layered Data Protection

RAID redundancy handles certain drive failures, automated backups create versioned or scheduled copies, and snapshots help recover from logical mistakes or malware. Combining these methods offers stronger resilience than relying on RAID alone.

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9. Synology DS925+ 48TB Bundle – High-Capacity Four-Bay System

4.5Editor scoreCheck price on Amazon

Synology DS925+ 48TB Bundle

Four included 12TB drives

Ryzen V1500B quad-core

4GB ECC memory

Up to 32GB memory

The 48TB DS925+ bundle is the higher-capacity version of the four-bay bundle in this guide, supplied with four 12TB Seagate Ironwolf hard drives. It earns a 4.5 rating and is aimed at users who want immediate room for large photo archives, business data, or media projects. The included capacity reduces setup friction while the DS925+ platform supplies a capable business foundation.

Pros

• Large ready-made storage package
• ECC memory for business workloads
• Dual 2.5GbE network connectivity
• NVMe cache or storage support
• Nine-drive expansion capability

Cons

• Higher initial storage commitment
• Requires thoughtful redundancy planning

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An AMD Ryzen V1500B quad-core processor and 4GB of DDR4 ECC memory support storage, backup, virtualization, and surveillance workloads, with memory expandable to 32GB. The enclosure has four hot-swappable 2.5-inch and 3.5-inch drive bays, dual 2.5GbE LAN ports, two M.2 NVMe slots, and two USB 3.2 Gen1 ports. A DX525 unit can expand support to nine drives, preserving room for additional capacity.

The main consideration is that four large drives require a deliberate data-protection strategy. Depending on the volume configuration, available usable capacity will differ from the sum of the raw drive capacities, and redundancy reduces the amount available for general storage. Owners should also budget for backups beyond the NAS, since the device itself cannot protect every category of logical error or physical-site failure. The bundle also represents a more substantial initial commitment than a smaller two-bay package.

This bundle is best for a growing creative studio, small department, or data-heavy home user who wants a four-bay DS925+ with meaningful capacity immediately. Compared with the 32TB bundle, it makes more sense when the additional space will be used rather than sitting idle. It remains below the DS1825+ in raw bay count and enterprise networking potential, so very large concurrent production teams should consider the premium enclosure.

Immediate Media Capacity

Four 12TB drives create a practical starting library for extensive photographs, videos, archives, and project files. A storage plan that accounts for redundancy and backup copies helps ensure that the advertised raw capacity translates into useful, protected space.

Performance-Oriented Platform

The Ryzen processor, ECC memory, dual 2.5GbE connections, and NVMe slots support a busier environment than a basic home NAS. These resources also make the platform suitable for virtualization and business applications when configured appropriately.

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10. Synology DS225+ 16TB Bundle – Best Two-Bay Capacity

4.6Editor scoreCheck price on Amazon

Synology DS225+ 16TB Bundle

Two included 8TB drives

Intel Celeron J4125

2GB non-ECC DDR4 memory

Up to 6GB memory

The DS225+ 16TB bundle supplies a Synology DS225+ with two 8TB Seagate Ironwolf hard drives. Its 4.6 rating is among the highest in the guide, and the larger drives make it a more substantial starting package than the comparable eight-terabyte bundle. It is a practical choice for a home media library, family archive, or small office that wants local storage and mirrored protection without a large enclosure.

Pros

• High 4.6 customer rating
• Two 8TB drives included
• Useful 2.5GbE network port
• SHR flexible storage management
• Btrfs snapshot protection

Cons

• Two-bay expansion remains limited
• Modest memory and processor tier

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The system is powered by a quad-core Intel Celeron J4125 and includes 2GB of non-ECC DDR4 SODIMM memory. Memory can be expanded to 6GB with a 2GB and 4GB module. Connectivity includes one 2.5GbE and one 1GbE RJ-45 port, allowing compatible clients to use faster transfers while maintaining a conventional connection. Synology Hybrid RAID and the Btrfs file system provide flexible storage management and snapshot-based recovery options.

Two 8TB drives offer a useful balance of capacity and enclosure size, but users should not confuse raw capacity with protected usable capacity. A mirrored configuration preserves one copy of each file and therefore provides less space than a non-mirrored arrangement. Snapshots help with logical recovery, yet they should not replace a separate backup, particularly for irreplaceable photographs or business records. The processor and non-ECC memory also position this bundle below the Ryzen and ECC-enabled DS925+ bundles for intensive workloads.

The 16TB bundle is an excellent fit for buyers who want the DS225+ platform with useful capacity immediately. It is a stronger choice than the 8TB bundle when family photos, home video, or shared business documents will fill smaller drives quickly. Buyers with continuously growing libraries or a need for more bays may prefer the DS725+ or DS925+, while this model remains a focused and approachable two-bay solution.

More Room Without More Bays

Two 8TB drives create a larger initial library while preserving the DS225+'s compact two-bay footprint. This is useful when capacity matters more than adding numerous individual drives, especially for families storing a large photo and video collection.

Snapshots and Flexible RAID

Btrfs snapshots help protect against accidental edits and malware, while Synology Hybrid RAID makes drive arrangements easier to manage as needs evolve. Together, they support a more adaptable setup, provided important data is also copied to another destination.

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Buying Guide – How to Choose the Best Synology NAS

Choosing a Synology NAS involves balancing bay count, included storage, performance, networking, protection features, and expected growth. The right decision is the least complicated platform that comfortably handles your current data while leaving a sensible path for future needs.

Choose the Right Bay Count

Bay count determines how many drives the enclosure can use at once and influences both capacity and resilience. A one-bay DS124 is compact but cannot create an internal mirror. Two-bay models are the practical minimum for a two-drive mirrored arrangement, while four-bay systems support larger RAID configurations and offer more room to grow. The eight-bay DS1825+ targets demanding organizations that need high availability, large production libraries, or extensive expansion.

Decide Between Diskless and Bundle

A diskless model gives you control over drive selection and makes it easier to match capacity, workload, and budget. A bundle includes specified Seagate Ironwolf drives, reducing the number of purchasing decisions and making installation more convenient. Diskless units are preferable when you already own verified compatible drives or want a specific storage layout. Bundles are usually more approachable for first-time buyers.

Match Processing and Memory

The DS225+ and DS223 serve general storage, backup, file sharing, and surveillance needs. Ryzen-based DS925+ bundles add a stronger processor and ECC memory, which are valuable for virtualization and busier business environments. The DS1825+ is designed for demanding media, database, virtual machine, and multi-user workloads. Memory expansion can improve flexibility, but the processor and application requirements should guide the decision first.

Plan for Network Speed

A NAS cannot transfer files faster than the slowest part of its path, including clients, switches, and storage. A 2.5GbE connection is a meaningful middle ground for many homes and offices, while 10GbE and 25GbE options serve demanding creative teams. The DS725+ includes a single 2.5GbE port, the DS225+ combines 2.5GbE and 1GbE, and the DS925+ includes two 2.5GbE ports. Check every device on the route before upgrading.

Assess Backup and Recovery Needs

RAID helps maintain availability after certain drive failures, but it is not a complete backup. Snapshots, versioned files, and immutable copies help protect against deletion, ransomware, and accidental changes. The DS423 emphasizes multi-destination backups and immutable snapshots, while the DS725+ combines RAID redundancy, automated backups, and snapshot technology. Whatever model you choose, maintain at least one additional copy away from the primary NAS.

Consider Surveillance Requirements

Many Synology models can manage IP cameras, schedule recordings, provide motion alerts, and support remote viewing. The DS423 and DS725+ both list support for up to 30 IP cameras, and the DS124 emphasizes AI-powered detection of people and vehicles. Camera licenses may be required, and retention needs vary with resolution, activity, and drive capacity. Confirm camera compatibility, licensing, and recording requirements before installation.

Account for Expansion and Warranty

Expansion support can extend a NAS's useful life, but it is not identical to starting with a larger enclosure. The DS725+ can add a DX525 to reach seven bays and 140TB, while the DS925+ bundle supports up to nine drives. The DS1825+ can grow from 160TB to 360TB. Compare warranty length as well: several home-focused models list two years, while the DS925+, DS725+, and DS1825+ list three years.

Think Beyond the NAS

The enclosure is only one part of a useful storage system. Compatible drives, memory, networking equipment, and backup media must be budgeted separately for diskless models. A system can be physically fast yet slow if clients use old network adapters or if the storage layout is poorly planned. Review the number of users, file types, access patterns, and expected data growth before choosing, and include time for setup and ongoing maintenance.

How to Use and Care for Your Synology NAS

Begin by checking the official drive compatibility list, installing the selected drives, and connecting the NAS to a reliable network. If the system uses 2.5GbE, 10GbE, or faster networking, configure the appropriate switch and client adapters as well. Follow Synology's setup guidance for disk initialization, volume creation, and storage layout, and document the chosen RAID or SHR configuration before transferring important files.

Build a protection plan that includes more than the NAS itself. Schedule automated backups from important computers and phones, enable snapshots where appropriate, and maintain a separate copy on external, remote, or cloud-connected storage. Test a sample restore and document the process. For surveillance use, review recording schedules, camera licenses, notification settings, and expected retention so alerts are useful and storage consumption remains predictable.

Treat ongoing care as part of the system. Keep DSM and installed applications updated, check storage health and SMART information, confirm backup jobs succeed, and make sure replacement drives remain compatible. Provide the enclosure with ventilation, a stable power source, and protection from excessive heat or dust. Review user permissions, shared folders, and remote access periodically, especially after employees, family members, or collaborators change.

Frequently Asked Questions

Final Thoughts on Choosing the Best Synology NAS

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