Synology RS822+ 4-Bay RackStation NAS (Diskless)

Name: Synology RS822+ 4-Bay RackStation NAS (Diskless)
Brand: Synology
SKU: RS822+

Overview

The Synology RackStation RS822+ is a 4-bay 1U rackmount NAS built for small and medium-sized businesses that need centralized, reliable data storage without taking up excessive rack space. Powered by Synology's DiskStation Manager operating system, it delivers a comprehensive platform for file sharing, data backup, surveillance, virtualization, and collaborative workflows. With sequential read speeds exceeding 2,103 MB/s and write speeds over 1,074 MB/s, the RS822+ comfortably handles multi-user file access, media streaming, and backup operations.

Scalability is a core strength of the RS822+. While it starts with four drive bays, adding a Synology RX418 expansion unit doubles the capacity to eight drives, providing a clear growth path as data requirements increase. Networking flexibility is equally strong: the four built-in 1GbE ports support link aggregation and automatic failover, and optional 10GbE or 25GbE expansion cards are available for environments that demand higher bandwidth. Optional SSD caching further improves random I/O performance for database and virtual machine workloads, making the RS822+ a versatile foundation for business IT infrastructure.

Key Features

Over 2,103/1,074 MB/s sequential read/write throughput supports stable data transfers

Scale up to 8 drives with one Synology RX418 Expansion Unit

Four 1GbE ports support network failover and load balancing, with optional 10/25GbE expansions available

Boost random IOPS performance with optional SSD cache

Specifications

Brand

Synology

Model

RS822+

Number of Bays

4

Form Factor

1U Rackmount

Sequential Read Throughput

Over 2,103 MB/s

Sequential Write Throughput

Over 1,074 MB/s

Expansion

Up to 8 drives with RX418

Network Ports

4x 1GbE (failover & link aggregation)

Optional Networking

10GbE / 25GbE expansion

Dimensions

19.3 x 17.2 x 10 inches

Weight

18.66 lbs

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Pros & Cons

👍 Pros

Over 2,103 MB/s sequential read throughput handles demanding file-serving workloads with ease.
Expandable to 8 drives with the RX418 unit, allowing storage to grow alongside business needs.
Four 1GbE ports with failover and link aggregation ensure network redundancy and higher aggregate bandwidth.
Compact 1U rackmount form factor conserves valuable rack space.
Synology DSM provides a mature, feature-rich management platform with extensive app support.

👎 Cons

Sold diskless, so the total cost of ownership is significantly higher once drives are factored in.
Ships with 1GbE ports only — 10GbE or 25GbE requires purchasing additional expansion cards.
Limited to 4 bays natively, which may feel restrictive for organizations with large immediate storage needs.
The RX418 expansion unit is an additional purchase, adding cost to scaling beyond four drives.
Fan noise in a 1U chassis can be noticeable in quiet office environments.

Frequently Asked Questions

Does the RS822+ come with hard drives included?

No, the RS822+ is sold diskless. You need to purchase compatible 3.5" or 2.5" SATA drives separately.

Can I expand the RS822+ beyond four drive bays?

Yes, you can add a Synology RX418 expansion unit to scale up to 8 drives total.

Does the RS822+ support SSD caching?

Yes, you can install optional SSDs to create a read/write cache that boosts random IOPS performance for frequently accessed data.

What network speeds does the RS822+ support?

It includes four built-in 1GbE ports with link aggregation and failover support. You can also add optional 10GbE or 25GbE network cards for faster throughput.

What operating system does the RS822+ run?

It runs Synology DiskStation Manager (DSM), which provides a full suite of data management, backup, file sharing, and virtualization applications through a web-based interface.