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Synology Nas Comparison - July 2025
| 1 Best Choice  9.7Exceptional | 2  9.6Exceptional | 3  9.5Excellent | 4  9.4Excellent | 5  9.1Excellent | 6  8.8Very Good | 7  8.7Very Good |
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ModelSynology 6 bay NAS DiskStation DS1621+ (Diskless) | Model Synology 2-Bay DiskStation DS224+ (Diskless) | Model Synology DS923+ 4-Bay Diskstation NAS (AMD Ryzen™ 4 Threads R1600 Dual-Core 4GB Ram 2xRJ-45 1GbE LAN-Port) | Model Synology 2-Bay DiskStation DS223j (Diskless) | Model Synology DS1522+ 5-Bay DiskStation NAS (AMD Ryzen R1600 8GB Ram 4xRJ-45 1GbE LAN-Port) 5-Bay 60TB Bundle with 5X 12TB Seagate IronWolf | Model Synology 1-Bay DiskStation DS124 (Diskless) Black | Model Synology BeeStation 4TB Personal Cloud Storage Device (BST150-4T) Black |
BrandSynology | Brand Synology | Brand Synology | Brand Synology | Brand Synology | Brand Synology | Brand Synology |
Reviews | Reviews | Reviews  | Reviews | Reviews | Reviews  | Reviews |
Tech Specs | ||||||
product dimensions 10 x 2 x 2.7 inches | product dimensions 6.5 x 4.25 x 9.13 inches | product dimensions 8.78 x 7.83 x 6.54 inches | product dimensions 6.5 x 3.94 x 8.9 inches | product dimensions 9.06 x 8.78 x 6.53 inches | product dimensions 6.54 x 2.8 x 8.82 inches | product dimensions 10.16 x 4.53 x 9.92 inches |
item weight 11.22 pounds | item weight 2.86 pounds | item weight 8.05 pounds | item weight 1.91 pounds | item weight 18.51 pounds | item weight 2.75 pounds | item weight 3.41 pounds |
customer reviews4.8 4.8 out of 5 stars 314 ratings 4.8 out of 5 stars | customer reviews 4.7 4.7 out of 5 stars 7, 824 ratings 4.7 out of 5 stars | customer reviews 4.6 4.6 out of 5 stars 261 ratings 4.6 out of 5 stars | customer reviews 4.4 4.4 out of 5 stars 848 ratings 4.4 out of 5 stars | customer reviews 4.3 4.3 out of 5 stars 18 ratings 4.3 out of 5 stars | customer reviews 4.6 4.6 out of 5 stars 253 ratings 4.6 out of 5 stars | customer reviews 3.0 3.0 out of 5 stars 10 ratings 3.0 out of 5 stars |
color Enclosure | color Black | color - | color White | color Seagate IronWolf | color Black | color Black |
item dimensions lxwxh 10 x 2 x 2.7 inches | item dimensions lxwxh 6.5 x 4.25 x 9.13 inches | item dimensions lxwxh - | item dimensions lxwxh 6.5 x 3.94 x 8.9 inches | item dimensions lxwxh 9.06 x 8.78 x 6.53 inches | item dimensions lxwxh 6.54 x 2.8 x 8.82 inches | item dimensions lxwxh 10.16 x 4.53 x 9.92 inches |
hard drive interface Raid | hard drive interface USB | hard drive interface - | hard drive interface - | hard drive interface Serial ATA-600 | hard drive interface USB | hard drive interface - |
ram 2 GB | ram 2 GB | ram - | ram - | ram - | ram 1 GB | ram - |
Available On  | Available On | Available On | Available On | Available On | Available On | Available On |
Our Top 3 Picks
Here are the top 3 recommended products with more information to help you find the right product for you
9.7
1SynologySynology 6 bay NAS DiskStation DS1621+ (Diskless)
Why we love it
Significantly faster read/write speeds for improved performance.
Easy to expand storage with add-on units.
Comprehensive data protection and backup options included.
Main highlights- Ready for 10GbE: Add in a 10GbE SFP+ or RJ-45 NIC to instantly increase network bandwidth based on your existing infrastructure
- Maximize Performance: Turbocharge HDD arrays by 20x or more without occupying drive bays using dual built-in M.2 slots for NVMe SSD cache
- Includes Everything to Protect Your Data: Back up critical data to and from public clouds, Windows PCs and servers, virtual machines, and data on the NAS with Synology Active Backup suite, Hyper Backup, and Snapshot Replication
- Easy Expansion: Scale-up on-demand to 16 drives with two DX517 expansion units
- Accelerated Performance: 174% higher 4K random read IOPS and 76% faster sequential write speeds compared to its predecessor
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9.6
2Synology
Synology 2-Bay DiskStation DS224+ (Diskless)
Why we love it
User-friendly interface for easy navigation.
Flexible storage expansion options.
Robust data protection features.
Main highlights- Sharing and Syncing Across Systems - Access, share, and sync data across different systems and devices using intuitive controls
- SATA device only
- Powerful Backup and Restoration - Back up and restore critical devices and data using a host of intuitive backup tools
- Check the product specification page for the software or application you want to use
- Check Synology knowledge center or YouTube channel for help on product setup and additional information
- Centralized Data Storage - Consolidate all your data for complete data ownership and multi-platform access
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9.5
3Synology
Synology DS923+ 4-Bay Diskstation NAS (AMD Ryzen™ 4 Threads R1600 Dual-Core 4GB Ram 2xRJ-45 1GbE LAN-Port)
Why we love it
Compact: Powerful in small size
Consolidate: 50TB of storage
Protect: Keep data safe
Main highlights- The performance you need Reduce transfer times with DS923+, designed to accelerate your workloads. Easily add faster networking and NVMe drives to further boost performance.
- Stunningly compact Powerful functionality in a tiny package, with room for 10GbE and dual NVMe drives.
- Store, share, and protect Manage all your documents, photos, and other files, back up applications and devices, and protect your physical assets with professional video surveillance.
- Keep your data safe Hardware and software engineered to protect your data — trusted by millions.
- Consolidate and share Flexibly store and organize 50 TB of data, then share with anyone.
Our ranking system
At BestChoice.com, our team curates a selection of top products from a vast array available online, using a sophisticated ranking system based on carefully defined criteria.While traditional hands-on testing has its merits, our use of AI technology offers distinct advantages. AI allows us to process and analyze vast amounts of data from multiple sources, providing a comprehensive view that goes beyond what manual testing can achieve. This approach enables us to deliver insights that are aligned with current trends and consumer preferences, ensuring our reviews are both relevant and up-to-date.
Features
Our AI-driven analysis examines key attributes, capabilities, and other critical factors tailored to each product category. This method allows us to assess effectiveness from various perspectives, ensuring a well-rounded evaluation.
Consumer Reviews
We aggregate and evaluate consumer feedback from across the internet, giving weight to ratings and reviews that reflect the most reliable insights. AI enhances this process by filtering and prioritizing data, offering a balanced view without the need for direct personal endorsements.
Popularity
Our system also considers the popularity of products, analyzing factors such as market presence, reputation, and user satisfaction. By leveraging AI, we capture a comprehensive picture of a product's standing in the market, which may not always be evident through traditional testing.
Value for money
AI allows us to compare products based on attributes like price, specifications, and user feedback, helping to determine their value for money. This data-driven approach offers an efficient and reliable way to assess how products stack up against one another in terms of cost-effectiveness.
