







💾 Unlock enterprise-grade speed and scale—because your data deserves the best.
The Synology DiskStation DS1821+ is a high-performance, scalable NAS solution designed for professionals demanding accelerated 4K random read IOPS and sequential write speeds. Featuring dual M.2 NVMe SSD slots for cache acceleration, it supports expansion up to 18 drives with DX517 units. It includes robust data protection tools and is ready for 10GbE networking, making it ideal for managing and safeguarding critical business data efficiently.





| Brand | Synology |
| Manufacturer | Synology, No.1, Yuandong Rd., Banqiao Dist. New Taipei City, Taiwan |
| Item Height | 16.6 Centimeters |
| Item Width | 34.3 Centimeters |
| Standing screen display size | 24 Inches |
| Product Dimensions | 243 x 34.3 x 16.6 cm; 4.92 kg |
| Batteries | 1 Lithium Ion batteries required. |
| Item model number | DS1821+ |
| RAM Size | 2 GB |
| Computer Memory Type | DDR4 SDRAM |
| Hard Disk Description | Mechanical Hard Disk |
| Hard Drive Interface | Serial ATA |
| Hard Disk Rotational Speed | 7200 RPM |
| Wattage | 250 Watts |
| Are Batteries Included | No |
| Lithium Battery Energy Content | 2 Kilowatt Hours |
| Lithium Battery Weight | 2 g |
| Number of Lithium Ion Cells | 5 |
| Number of Lithium Metal Cells | 5 |
| Included Components | 1 x DS1821+ main unit, 1 x Quick Installation Guide, 1 x Accessory pack, 2 x Hard drive tray key, 1 x AC power cord, 2 x RJ-45 LAN cable |
| Manufacturer | Synology |
| Item Weight | 4 kg 920 g |
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Best in the Industry NAS
One of the Best in the industry feature rich reliable, expandable and cost effective high performance NAS
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