| Product Description |
Synology Disk Station DS1821+ – NAS server |
| Device Type |
NAS server |
| Host Connectivity |
Gigabit Ethernet |
| Installed Devices / Modules Qty |
0 (installed) / 8 (max) |
| Dimensions (WxDxH) |
13.5 in x 9.6 in x 6.5 in |
| Weight |
13.23 lbs () |
| Processor |
AMD Ryzen Embedded V1500B 2.2 GHz (Quad-Core) |
| Storage Controller |
RAID SATA 6Gb/s RAID 0, 1, 5, 6, 10, JBOD |
| Networking |
10Mb LAN, 100Mb LAN, GigE |
| RAM |
4 GB (installed) / 32 GB (supported) – DDR4 |
| Power |
AC 120/230 V (50/60 Hz) |
| Storage Operating System |
Synology DiskStation Manager |
| System Requirements |
Microsoft Windows 7 or later, Apple MacOS X 10.11 or later |
| Manufacturer Warranty |
3-year warranty |
| Total Storage Capacity |
0 GB |
| Width |
13.5 in |
| Depth |
9.6 in |
| Height |
6.5 in |
| Processors Installed |
AMD Ryzen Embedded V1500B 2.2 GHz |
| Number of Cores |
Quad-Core |
| Max Supported Qty |
1 |
| Type |
RAID |
| Interface Type |
SATA 6Gb/s |
| RAID Level |
RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, JBOD |
| Data Link Protocol |
10Mb LAN, 100Mb LAN, GigE |
| Network / Transport Protocol |
TCP/IP, PPTP, L2TP, iSCSI, FTP |
| Remote Management Protocol |
SNMP, Telnet, SSH |
| Network Services Compatibility |
Microsoft Active Directory (AD), File Level Security (ACLs), Microsoft CIFS, Network File System (NFS), FTP, Apple File Protocol (AFP), HTTPS, Web-based Distributed Authoring and Versioning (WebDAV), Calendaring Extensions to WebDAV (CalDAV) |
| Features |
Security lock slot (cable lock sold separately), wake on LAN, built-in 2 cooling fans, hardware encryption |
| Encryption Algorithm |
AES-NI |
| Compliant Standards |
FCC Class B certified, RoHS, BSMI Class B |
| Expansion Bays |
8 (total) / 8 (free) x hot-swap – 2.5″ / 3.5″ |
| Expansion Slots |
1 x PCI Express 3.0 x8 ¦ 2 (total) / 2 (free) x M.2 2280 |
| Interfaces |
4 x USB 3.2 Gen 1 – Type A ¦ 4 x Ethernet 1000Base-T – RJ-45 ¦ 2 x eSATA |
| Cables Included |
2 x network cable |
| Security Slot Type |
Kensington security slot |
| Included Accessories |
Hard drive security key, accessory pack |
| Power Device |
Internal power supply |
| Voltage Required |
AC 120/230 V (50/60 Hz) |
| Software Included |
Drivers & Utilities |
| OS Required |
Microsoft Windows 7 or later, Apple MacOS X 10.11 or later |
| Service & Support |
Limited warranty – 3 years |
| Min Operating Temperature |
32 °F |
| Max Operating Temperature |
104 °F |
| Humidity Range Operating |
5 – 95% (non-condensing) |
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