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| Brand | Synology |
|---|---|
| Series | DiskStation |
| Model | ds1821+ |
| Type | Desktop NAS |
| Ports | 2 x eSATA / 4 x 1GbE / 4 x USB 3.2 Gen 1 |
|---|---|
| Port RJ-45 | 4 x 10/100/1000M |
| Port USB | 4 x USB3.2 Gen 1 |
| Port eSATA | 2 x eSATA |
| HDD Interface | 8 x 3.5" or 2.5" SATA HDD/SSD (drives not included) 2 x M.2 2280 NVMe SSD (drives not included) |
| Form Factor | 8-Bay |
|---|---|
| Processor | AMD Ryzen V1500B 4-core 2.2 GHz |
| Installed Memory | 4GB DDR4 |
| Max Memory Capacity | 32GB |
| Memory Slot | 2 x DDR4 SODIMM |
| Included HDD Capacity | Diskless System |
|---|---|
| Max Capacity | 144TB |
| RAID | Synology Hybrid RAID (SHR), Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10 |
| Drive Compatibility | 3.5" SATA HDD 2.5" SATA HDD 2.5" SATA SSD M.2 2280 NVMe SSD |
| Supported Protocols | SMB, AFP, NFS, FTP, WebDAV, CalDAV, iSCSI, Telnet, SSH, SNMP, VPN (PPTP, OpenVPN, L2TP) |
|---|
| Power | 100 V to 240 V AC, 50/60 Hz, single phase |
|---|---|
| Power Consumption | 59.8 W (Access) 26.18 W (HDD Hibernation) |
| Temperature | Operating: 0°C - 40°C (32°F - 104°F) Storage: -20°C - 60°C (-5°F - 140°F) |
|---|---|
| Humidity | 5-95% R.H |
| Features | Up to 110,000 4K random read IOPS and 2300 MB/s sequential write speeds for demanding workloads Dual M.2 2280 slots for NVMe SSD lets you maximize performance and capacity efficiently Features 8 bays, supporting both SATA HDD/SSD 2.5" and 3.5" drives and can be expanded by using two Synology DX517 expansion units for a total capacity of 18 bays Powered by Synology DSM, our unified data management operating system |
|---|---|
| Usage | High read/write performance with RAID |
| Dimensions | 6.54" x 13.50" x 9.57" |
|---|---|
| Weight | 13.23 lbs. |
| First Listed on Newegg | February 18, 2021 |
|---|