What networking interfaces are available on the RS422+?

It offers four Gigabit Ethernet ports with Link Aggregation and failover support, plus two eSATA ports for expansion units.

Does the RS422+ support SSD caching?

Yes, it features two internal M.2 NVMe 2280 slots for SSD cache acceleration, boosting I/O performance.

Which RAID types does the RS422+ support?

It supports Basic, JBOD, RAID 0/1/5/6/10 and Synology Hybrid RAID for flexible data protection.

Which operating system runs on the RS422+?

The RS422+ runs Synology DiskStation Manager (DSM) 7.1, offering an intuitive web-based interface and rich applications.

Can I use Synology Hybrid RAID on the RS422+?

Yes, Synology Hybrid RAID (SHR) is fully supported, simplifying volume management and maximizing usable space.

How many concurrent connections can the RS422+ handle?

With its optimized file-serving engine, the RS422+ can handle over 2,700 concurrent CIFS/SMB connections.

Is the RS422+ suitable for virtualization environments?

Yes, it supports VMware, Hyper-V, Citrix and integrates with Synology Virtual Machine Manager and Docker for virtual workloads.

What backup solutions are integrated into the RS422+?

It includes Hyper Backup, Snapshot Replication and Cloud Sync for comprehensive local, remote and cloud-based backups.

Can I integrate the RS422+ with public cloud services?

Yes, DSM natively integrates with AWS, Microsoft Azure, Google Cloud and any S3-compatible storage for hybrid cloud workflows.

What security features are included on the RS422+?

It offers AES-NI hardware encryption, built-in firewall, automatic security updates and advanced malware protection.

Is the RS422+ compatible with Surveillance Station?

Yes, it supports Synology Surveillance Station with licensing for up to 40 IP cameras and real-time monitoring.

How energy-efficient is the RS422+?

The RS422+ consumes as little as 25.15 W idle and 40.65 W under load, featuring a 1U rack-mount design optimized for low power.

What warranty and support options are available for the RS422+?

It includes a 3-year limited warranty with optional 2-year extension plans and 24/7 technical support from Synology.

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RS422+ Overview

RS422+ is a SAN storage system offering a 12-bay enclosure designed for flexible drive configurations that include SATA, SAS, SSD, and NVMe drives. It provides a total storage capacity of 512 TB, supports a range of RAID levels – including RAID 0, RAID 1, RAID 5, RAID 6, and JBOD – and is powered by an Intel Xeon 8-core processor with 16 GB pre-installed memory that can be expanded up to 64 GB using ECC DDR4 modules.

RS422+ delivers comprehensive connectivity with a USB 3.2 port and a robust 10GbE network interface complemented by 4 LAN ports. With expansion support, active cooling, and a redundant power supply rated at 500W, this system is ideally suited for SMB backup, enterprise data centers, virtualization, and media server applications.

RS422+ price is is available on request. Get immediate quote.

Request bulk order quote for RS422+ for additional pricing. Browse the full Synology Storage Servers series or explore all Synology products.

RS422+ Specifications

Width: 17 inches
Weight: 35 lbs
Depth: 25 inches
Height: 3 inches
Form Factor: Rackmount
RAM Type: ECC DDR4
Hot-Swap Support: Yes
Power Supply: Redundant
Cooling: Active
Virtualization Ready: Yes
LAN Ports: 4
Power Supply Wattage: 500W
Max RAM Capacity: 64 GB
Product Type: Storage System
Storage Type: SAN
Supported Drive Types: Mixed
CPU Type: Intel Xeon
CPU Cores: 8
Installed RAM: 16 GB
Network Ports: 10GbE
USB Ports: USB 3.2
Expansion Support: Yes
Operating System: Custom OS
Snapshot Support: Yes
Cloud Sync Support: Yes
iSCSI Support: Yes
Surveillance Support: No
Max Supported Capacity: 512 TB
Use Case: SMB / Enterprise Data Center / Virtualization / Media Server
Bay Count: 12-bay
RAID Support: RAID 0 / RAID 1 / RAID 5 / RAID 6 / JBOD
Product Name: RS422+ Enterprise Storage System

Quality Certifications

To get the detailed certification, please go to the Compliance Center.

Product Comparison Table

	RS422+	DS3617XS	DS1621XS+	FX2421	DS1821+
Product Type	Storage System	Storage System	Storage System	Storage System	Storage System
Storage Type	SAN	NAS	NAS	SAN	NAS
Form Factor	Rackmount	Rackmount	Rackmount	Rackmount	Desktop
Bay Count	12-bay	12-bay	6-bay	24-bay	8-bay
Supported Drive Types	Mixed	SATA HDD / SAS HDD	Mixed	SATA HDD / SAS HDD / SATA SSD / NVMe SSD	SATA HDD / SATA SSD
Hot-Swap Support	Yes	Yes	Yes	Yes	Yes
Max Supported Capacity	512 TB	192 TB	96 TB	512 TB	192 TB
RAID Support	RAID 0 / RAID 1 / RAID 5 / RAID 6 / JBOD	RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 / RAID 50 / RAID 60 / JBOD	RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10	RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 / RAID 50 / RAID 60 / JBOD	RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 / JBOD
CPU Type	Intel Xeon	Intel Xeon	Intel Xeon	Intel Xeon	AMD Ryzen
CPU Cores	8	4	4	8	4
Installed RAM	16 GB	8 GB	8 GB	16 GB	4 GB
Max RAM Capacity	64 GB	64 GB	32 GB	128 GB	32 GB
RAM Type	ECC DDR4	DDR3	ECC DDR4	DDR4	DDR4
Network Ports	10GbE	1GbE	10GbE	10GbE	1GbE
LAN Ports	4	4	2	4	4
USB Ports	USB 3.2	USB 3.0	USB 3.2	USB 3.2	USB 3.2
Expansion Support	Yes	Yes	Yes	Yes	Yes
Cooling	Active	Redundant Fan	Redundant Fan	Redundant Fan	Active
Power Supply	Redundant	Redundant	Redundant	Redundant	Single
Power Supply Wattage	500W	350W	350W	750W	250W
Operating System	Custom OS	DSM	QTS	Custom OS	QTS
Snapshot Support	Yes	Yes	Yes	Yes	Yes
Cloud Sync Support	Yes	Yes	Yes	Yes	Yes
Virtualization Ready	Yes	Yes	Yes	Yes	Yes
iSCSI Support	Yes	Yes	Yes	Yes	Yes
Surveillance Support	No	Yes	Yes	No	Yes
Use Case	SMB / Enterprise Data Center / Virtualization / Media Server	Enterprise Data Center	Enterprise Data Center / Virtualization / SMB	Enterprise Data Center / Virtualization / Media Server / SMB	SMB
Product Name	RS422+ Enterprise Storage System	Synology DiskStation DS3617XS	QNAP DS1621XS+	FX2421 Enterprise SAN Storage	DS1821+
Height	3 inches	3.4 inches	10.9 inches	3 inches	9.8 inches
Width	17 inches	17.3 inches	17.2 inches	17 inches	17.5 inches
Depth	25 inches	26.4 inches	10.4 inches	29 inches	10.2 inches
Weight	35 lbs	39.7 lbs	25.7 lbs	45 lbs	21.6 lbs

Reviews & Ratings

Leon Rhodes

Reliable 4-bay RackStation in a shallow-depth chassis. Perfect for space-constrained racks needing professional-grade storage and performance.

Cora Bentley

Exceptional throughput and robust build. This compact rackmount NAS provides the consistent performance our office networking tasks demand.

Elias Thorne

Consistent data rates and stable operation. The RS422+ is a dependable solution for small business rack storage needs.

Ayla Morton

Professional grade 4-bay storage with impressive efficiency. It handles our daily backups and file sharing with absolute stability.

Callum Rose

Outstanding reliability in a compact 1U design. A very trustworthy choice for businesses needing efficient and scalable networking.

Sutton Page

Robust performance and easy rack integration. It consistently delivers the speed and capacity our professional network infrastructure requires.

Beckett Hayes

Top-tier compact rackmount NAS for professionals. It offers excellent value and the reliable data protection our team needs.

Questions & Answers

What is the maximum raw storage capacity supported by the RS422+?

The RS422+ supports up to 72 TB raw capacity with four 18 TB drives and can be expanded further via Synology expansion units.

Does the Synology RS422+ include hard drives out of the box?

No, the RS422+ is sold diskless, giving you the flexibility to choose and install your own SATA HDDs or SSDs.

Which processor powers the RS422+ RackStation?

The RS422+ is equipped with an Intel Celeron J4125 quad-core 2.0 GHz processor (burst up to 2.7 GHz) for reliable SMB performance.

How much memory does the RS422+ ship with and can it be upgraded?

It ships with 4 GB DDR4 ECC SODIMM memory, user-expandable to a maximum of 32 GB (2×16 GB modules).

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RS422+ Overview

RS422+ price is is available on request. Get immediate quote.

Request bulk order quote for RS422+ for additional pricing. Browse the full Synology Storage Servers series or explore all Synology products.

RS422+ Specifications

Width

17 inches

Weight

35 lbs

Depth

25 inches

Height

3 inches

Form Factor

Rackmount

RAM Type

ECC DDR4

Hot-Swap Support

Yes

Power Supply

Redundant

Cooling

Active

Virtualization Ready

Yes

LAN Ports

Power Supply Wattage

500W

Max RAM Capacity

64 GB

Product Type

Storage System

Storage Type

SAN

Supported Drive Types

Mixed

CPU Type

Intel Xeon

CPU Cores

Installed RAM

16 GB

Network Ports

10GbE

USB Ports

USB 3.2

Expansion Support

Yes

Operating System

Custom OS

Snapshot Support

Yes

Cloud Sync Support

Yes

iSCSI Support

Yes

Surveillance Support

Max Supported Capacity

512 TB

Use Case

SMB / Enterprise Data Center / Virtualization / Media Server

Bay Count

12-bay

RAID Support

RAID 0 / RAID 1 / RAID 5 / RAID 6 / JBOD

Product Name

RS422+ Enterprise Storage System