Powerful, scalable, and versatile
Synology DS1621+ is a powerful and compact 6-bay network attached storage solution designed to store and protect critical data assets. Today’s growing amount of unstructured data requires smarter and increasingly higher performance methods of storing, accessing, and collaborating. Designed for scalability, the DS1621+ enables you to start small, then expand as your data grows.
Faster than ever
Compared to its predecessor, DS1621+ is faster in just about everything. Get things done quicker through Synology Drive and streamline photo management with Synology Moments.
Turbocharge and expand it
Upgrade your DS1621+ to match your data requirements, whether it is for faster networking or for higher storage capacity.
Ultimate file management and sharing
File Station is a web-based, fast and secure management tool built to allow easy, drag-and-drop operations without requiring any complex setup on Mac or PC. Advanced search and filtering tools allow for easy organization and file sharing. For complete compatibility, DS1621+ supports the following protocols: AFP, FTP, iSCSI, NFS, SMB, and WebDAV.
Fully certified storage virtualization solutions
Synology iSCSI storage fully supports most virtualization solutions to enhance work efficiency with easy management interface. VMware vSphere 6 and VAAI integration helps offload storage operations and optimizes computation efficiency. Windows Offloaded Data Transfer (ODX) speeds up data transfer and migration rate. OpenStack Cinder support turns your Synology NAS into a block-based storage component.
Ultimate Backup Solution
DS1621+ integrates various backup applications into an intuitive user interface, offering durable storage technologies to safeguard your valuable data on any device.
Storage |
Supported file systems |
BTRFS, ext4 |
Hot-swap drive bays |
Yes |
RAID levels |
0, 1, 5, 6, 10 |
RAID support |
Yes |
Number of M.2 (M & B) slots |
2 |
Maximum supported storage capacity |
108 TB |
Storage drive sizes supported |
2.5,3.5" |
Supported storage drive interfaces |
M.2, Serial ATA |
Storage drive capacity |
0 GB |
Supported storage drive types |
HDD & SSD |
Installed storage drive type |
No |
Number of storage drives supported |
6 |
Total installed storage capacity |
0 TB |
Storage drives installed |
No |
Processor |
On-board graphics card model |
Not available |
Processor cores |
4 |
Processor frequency |
2.2 GHz |
Processor model |
V1500B |
Processor generation |
AMD Ryzen Embedded V1000 Series |
Processor family |
Ryzen Embedded |
Processor manufacturer |
AMD |
Memory |
Memory form factor |
SO-DIMM |
Memory slots |
2 |
ECC |
Yes |
Maximum RAM supported |
32 GB |
Internal memory type |
DDR4 |
Internal memory |
4 GB |
Network |
Supported network protocols |
SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV |
Link aggregation |
Yes |
Wake-on-LAN ready |
Yes |
Ethernet LAN data rates |
10,100,1000 Mbit/s |
Ethernet LAN |
Yes |
Ports & interfaces |
PCI Express x8 (Gen 3.x) slots |
1 |
eSATA ports quantity |
2 |
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity |
3 |
USB port |
Yes |
Ethernet LAN (RJ-45) ports |
4 |
Design |
Built-in display |
Yes |
LED indicators |
Yes |
Fan diameter |
9.2 cm |
Fan diameter 2 |
9.2 cm |
Number of fans |
2 fan(s) |
Product colour |
Black |
Cooling type |
Active |
Chassis type |
Desktop |
Performance |
Access Control List (ACL) |
Yes |
On/off switch |
Yes |
Browser supported |
Google Chrome, Firefox, Microsoft Edge, Internet Explorer 10, Safari |
Number of users |
2048 user(s) |
Multilingual support |
Yes |
Backup function |
Yes |
Device class |
Small & Medium Business |
Type |
NAS |
Software |
Mac operating systems supported |
Yes |
Linux operating systems supported |
Yes |
Windows operating systems supported |
Yes |
Operating system installed |
DiskStation Manager |
Power |
AC input frequency |
50 - 60 Hz |
AC input voltage |
100 - 240 V |
Power consumption (HDD standby) |
25.27 W |
Power consumption (typical) |
51.22 W |
Number of power supply units |
1 |
Power supply unit (PSU) capacity |
250 W |
Power supply location |
Built-in |
Weight & dimensions |
Weight |
5.1 kg |
Height |
166 mm |
Depth |
243 mm |
Width |
282 mm |
General |
Product family |
DiskStation |
Operational conditions |
Storage temperature (T-T) |
-20 - 60 °C |
Operating relative humidity (H-H) |
5 - 95% |
Operating temperature (T-T) |
0 - 40 °C |
Logistics data |
Harmonized System (HS) code |
84714100 |