Synology DiskStation DS2422+ 12-Bay NAS Server

Specifications

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 

Synology only guarantees full functionality, reliability, and performance for Synology drives listed on the compatibility list. The use of non-validated components may limit certain functionality and result in data loss and system instability.
"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)

Max. number of LAN ports: 8

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: 100V to 240V AC

Power Frequency: 50/60 Hz, Single Phase

Power Consumption* 

73.11 W (Access)
32.12 W (HDD Hibernation)

British Thermal Unit 

249.63 BTU/hr (Access)
109.67 BTU/hr (HDD Hibernation)

Notes 

Power consumption is measured when it is fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
Noise Level Testing Environment: Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in the idle state. Two G.R.A.S. Type 40AE microphones, each set up 1 meter away from the Synology NAS at the front and rear. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75°C; Humidity: 58.2-61.8%

Temperature

Operating Temperature: 0°C to 40°C (32°F to 104°F)

Storage Temperature: -20°C to 60°C (-5°F to 140°F)

Relative Humidity: 5% to 95% RH

Certification

Certification

FCC
CE
BSMI
VCCI
RCM
UKCA
EAC
CCC
KC
UL

Environment

Environment: RoHS Compliant

Packaging Content

What's in the Box

Main Unit X 1
Accessory Pack X 1
AC Power Cord X 1
RJ-45 LAN Cable X 2
Quick Installation Guide X 1

Optional Accessories

Optional accessories

DDR4 ECC SODIMM: D4ES02-4G/D4ES02-8G/D4ES01-16G
Expansion Units: DX1222
3.5" SATA HDD: HAT5300
2.5" SATA SSD: SAT5210
M.2 SSD & 10GbE Combo Adapter Card: E10M20-T1
M.2 SSD Adapter Card: M2D20
25GbE Network Interface Card: E25G21-F2
10GbE Network Interface Card: E10G21-F2/E10G18-T2/E10G18-T1
VisualStation: VS360HD
Surveillance Device License Pack

Notes 

All memory modules will operate at the maximum frequency specified by the CPU manufacturer.

DSM Specifications - 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.
Usable capacity for each volume will be lower than the maximum volume size and is dependent on the filesystem and the amount of system metadata stored.

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: 10

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, ???????, ???, ???, ????, ????

Notes 

For an updated list of supported browser versions, check the DSM Technical Specifications.

Add-on Packages

Antivirus by McAfee (Trial): Yes

Central Management System: Yes

Synology Chat

Maximum Users: 1,500

Maximum Number of Concurrent Users: 150

Notes 

When applicable, systems are tested configured with maximum memory and set to allow the maximum number of connections.

Document Viewer

Document viewer: Yes

Download Station

Maximum Concurrent Download Tasks: 80

SAN Manager

Maximum iSCSI Target Number: 128

Maximum LUN: 256

LUN Clone/Snapshot, Windows ODX: Yes

Synology MailPlus / MailPlus Server

Free Email Accounts 

5 (Licenses required for additional accounts)

Maximum Number of Concurrent Users: 150

Maximum Server Performance: 1,484,000 emails per day, approx. 45 GB

Notes 

Models with more than 4 bays were installed with two SSDs for SSD cache.
For tested models with expandable memory, the maximum amount of RAM was installed.
The performance of the mail system will slightly decrease in high-availability mode due to data synchronization between the two servers.
Functions that were enabled in all of the tests above: anti-spam, anti-virus, DNSBL, greylist, content scan, full-text search (English only).

Media Server

DLNA Compliance: Yes

Synology Photos

Facial Recognition: Yes

Snapshot Replication

Maximum Snapshots per Shared Folder: 1,024

Maximum of System Snapshots: 65,536

Surveillance Station

Maximum IP cam (Licenses required): 40 (including 2 Free License) (see all supported IP cameras)

Total FPS (H.264) 

1200 FPS @ 720p (1280x720)
1050 FPS @ 1080p (1920x1080)
600 FPS @ 3M (2048x1536)
440 FPS @ 5M (2591x1944)
320 FPS @ 4K (3840x2160)

Total FPS (H.265) 

1200 FPS @ 720p (1280x720)
1200 FPS @ 1080p (1920x1080)
1120 FPS @ 3M (2048x1536)
600 FPS @ 5M (2591x1944)
480 FPS @ 4K (3840x2160)

Notes 

Maximum IP cameras and FPS figures are tested with the device fully populated with drives and under a continuous recording setup.
Actual system capabilities may differ depending on system configuration, drive performance, number of features enabled, and if additional workloads are present.

Synology Drive

Recommended Number of Concurrent Sync Clients 

550 (the number of connections that can be maintained when the recommended number of hosted files was reached)

Recommended Number of Hosted Files 

50,000,000 (applies to files indexed or hosted by Synology Drive. For file access through other standard protocols, refer to the File Services section above)

Notes 

Exceeding the recommended numbers above will not block application operations, but may result in longer response time.
Utilizing SSD cache can significantly improve performance.
For tested models with expandable memory, the maximum amount of RAM was installed.
Btrfs file system and non-encrypted shared folders were used during the aforementioned testing.

Synology Office

Maximum Users: 1,800

Notes

Multiple files were opened for testing and each file was edited by 30 users simultaneously.
For tested models with expandable memory, the maximum amount of RAM was installed.
Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM

Video Station

Video station: Yes

Virtual Machine Manager

Recommended Virtual Machine Instances: 8 (Learn more)

Recommended Virtual DSM Number (Licenses required): 8 (including 1 Free License)

Notes 

The specifications vary depending on system configuration and memory size.

VPN Server

Maximum Connections: 40