CPU
CPU Model: AMD Ryzen V1500B
CPU Quantity: 1
CPU Architecture: 64-bit
CPU Frequency: 4-core 2.2 GHz
Hardware Encryption Engine (AES-NI): Yes

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)
Notes:
- Please select Synology memory modules for optimum compatibility and reliability. Synology will not provide complete product warranty or technical support if non-Synology memory modules are used for memory expansion.
- Synology reserves the right to replace memory modules with the same or higher frequency based on supplier's product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance.

Storage
Drive Bays: 12
Maximum Drive Bays with Expansion Unit: 24 (DX1222 x 1)
Compatible Drive Type* (See all supported drives):
- 3.5" SATA HDD
- 2.5" SATA HDD
- 2.5" SATA SSD
Hot Swappable Drive: Yes
Notes:
- It is strongly recommended that you only install drives listed on your device's compatibility list. Storage pool and volume creation processes may fail when using unverified drives. Synology is unable to provide technical support for devices using unsupported components.
- "Compatible drive type" indicates drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay.

External Ports
RJ-45 1GbE LAN Port: 4 (with Link Aggregation / Failover support)
USB 3.2 Gen 1 Port: 2
Expansion Port: 1
Notes:
- This device's 1GbE LAN ports have a maximum transmission unit (MTU) size of 1,500 bytes.
- The USB 3.0 standard was renamed to USB 3.2 Gen 1 by the USB Implementers Forum (USB-IF) in 2019.

PCIe
PCIe Expansion: 1 x Gen3 x8 slot (x4 link)

File System
Internal Drives:
- Btrfs
- EXT4
External Drives:
- Btrfs
- EXT4
- EXT3
- FAT
- NTFS
- HFS+
- exFAT
Notes: exFAT Access can be installed for free from Package Center in DSM 7.0. In DSM 6.2 or earlier versions, exFAT Access needs to be purchased in Package Center.

Appearance
Size (Height x Width x Depth): 270 mm x 300 mm x 340 mm
Weight: 9.5 kg

Others
System Fan: 120 mm x 120 mm x 2 pcs
Fan Speed Mode:
- Full-Speed Mode
- Cool Mode
- Quiet Mode
Easy Replacement System Fan: Yes
Power Recovery: Yes
Noise Level*: 25 dB(A)
Scheduled Power On / Off: Yes
Wake on LAN / WAN:  Yes
Power Supply Unit / Adapter: 550 W
AC Input Power Voltage: 100 V to 240 V AC
Power Frequency: 50/60 Hz, Single Phase
Power Consumption*: 73.11 W (Access)
32.12 W (HDD Hibernation)
Certification:
- FCC
- CE
- BSMI
- VCCI
- RCM
- UKCA
- EAC
- CCC
- KC
- UL

Storage Management
Maximum Single Volume Size: 108 TB
Maximum Internal Volume Number: 64
SSD Read / Write Cache (White Paper): Yes
SSD TRIM: Yes
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
Notes: Each internal volume (may consist of multiple drives) is expandable up to 108TB.

File Services
File Protocol: SMB/AFP/NFS/FTP/WebDAV
Maximum Concurrent SMB/AFP/FTP Connections: 1,000
Maximum Concurrent SMB/AFP/FTP Connections (with RAM expansion): 2,000
Windows Access Control List (ACL) Integration: Yes
NFS Kerberos Authentication: Yes
Notes:
- Regarding data concerning tests with RAM expansion, all memory slots are installed with the maximum capacity of supported RAM.
- During testing, the maximum number of SSDs supported by this model is installed in a RAID 5 configuration.
- The testing standard was based on the maximum number of concurrent connections supported by this model. During the testing, 25% of the connections were used to transfer files concurrently. The transfer process guaranteed that the connections were not interrupted; the minimum transfer speed was not guaranteed.

Account & Shared Folder
Maximum Local User Accounts: 2,048
Maximum Local Groups: 256
Maximum Shared Folder: 512
Maximum Shared Folder Sync Tasks: 16

Hybrid Share
Maximum Hybrid Share Folders: 4
Notes: For more details about the maximum number of Hybrid Share folders, check this article.

High Availability
Synology High Availability: Yes

Log Center
Syslog Events per Second: 1,000

Virtualization
VMware vSphere with VAAI: Yes
Windows Server 2016: Yes
Windows Server 2019: Yes
Citrix Ready: Yes
OpenStack: Yes

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
Safari
Supported Language: English, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svenska, Nederlands, ???????, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Ceský, ???????, ???, ???, ????, ????