DS1621

DiskStation DS1621+

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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.

CPU

AMD Ryzen
Quad-core 2.2 GHz

Cache Acceleration

Dual M.2 2280 slots for NVMe Cache

Performance

110K, 174% higher 4K random read IOPS1

1. Status indicator

2. Alert indicator

3. Power button and indicator

4. LAN indicator

5.Drive status indicator

 

6. Drive tray

7. Drive tray lock

8. USB 3.2 Gen 1 port

9. System fan

10. Power port

 

11. Kensington Security Slot

8. 1GbE RJ-45 port

9. Reset button

10. Expansion port

11. PCIe expansion slot

 

Hardware Specifications -

 

CPU

CPU Model AMD Ryzen V1500B
CPU Architecture 64-bit
CPU Frequency 4-core 2.2 GHz
Hardware Encryption Engine (AES-NI)

Memory

System Memory 4 GB DDR4 ECC SODIMM
Memory Module Pre-installed 4 GB (4 GB x 1)
Total Memory Slots 2
Maximum Memory Capacity 32 GB (16 GB x 2)

Storage

Drive Bays 6
Maximum Drive Bays with Expansion Unit 16 (DX517 x 2)
M.2 Drive Slots 2 (NVMe)
Compatible Drive Type* (See all supported drives) ·        3.5" SATA HDD

·        2.5" SATA HDD

·        2.5" SATA SSD

·        M.2 2280 NVMe SSD

Maximum Single Volume Size* 108 TB

 

Software Specifications -

DSM Specifications
Storage Management Maximum Internal Volume Number 64
Maximum iSCSI Target Number 128
Maximum iSCSI LUN 256
Supported RAID Type ·        Synology Hybrid RAID

·        Basic

·        JBOD

·        RAID 0

·        RAID 1

·        RAID 5

·        RAID 6

·        RAID 10

RAID Migration ·        Basic to RAID 1

·        Basic to RAID 5

·        RAID 1 to RAID 5

·        RAID 5 to RAID 6

Volume Expansion with Larger HDDs ·        Synology Hybrid RAID

·        RAID 1

·        RAID 5

·        RAID 6

·        RAID 10

Volume Expansion by Adding a HDD ·        Synology Hybrid RAID

·        JBOD

·        RAID 5

·        RAID 6

Global Hot Spare Supported RAID Type ·        Synology Hybrid RAID

·        RAID 1

·        RAID 5

·        RAID 6

·        RAID 10

File Services File Protocol CIFS/AFP/NFS/FTP/WebDAV
Maximum Concurrent CIFS/AFP/FTP Connections 1,000
Maximum Concurrent CIFS/AFP/FTP Connections (with RAM expansion) 2,000
Windows Access Control List (ACL) Integration
NFS Kerberos Authentication
Notes Regarding data concerning tests with RAM expansion, all memory slots are installed with the maximum capacity of supported RAM.
Account & Shared Folder Maximum Local User Accounts 2,048
Maximum Local Groups 256
Maximum Shared Folder 512
Maximum Shared Folder Sync Tasks 16
High Availability Synology High Availability
Log Center Syslog Events per Second 800
Virtualization VMware vSphere 6 with VAAI
Windows Server 2016
Windows Server 2019
Citrix Ready
OpenStack
General Specifications Networking Protocols SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV
Supported Browsers ·        Google Chrome

·        Firefox

·        Microsoft Edge

·        Internet Explorer 10 onwards

·        Safari 10 onwards

·        Safari (iOS 10 onwards)

·        Google Chrome (Android 6.0 onwards)

Supported Language English, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svenska, Nederlands, Русский, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Český.