Synology RS1221+ 2U 8 bay Rack

A compact design for space efficiency The RS1221+ and its RX418 expansion units are designed to help you save space in compact deployments. At only 30 centimeters, half the length of a typical 2U unit, it fits perfectly snug onto 2-post or shallow rackmount enclosures. 3-year hardware warranty, extendable to 5 years with the purchase of EW202. Fits into shallow rackmount enclosures Easy-to-install on 2-post racks

Hardware Specifications

RS1221+

CPU

CPU Model

AMD Ryzen V1500B

CPU Quantity

1

CPU Cores

4

CPU Threads

8

CPU Architecture

64-bit

CPU Frequency

2.2 GHz

Hardware Encryption Engine

Memory

System Memory

4 GB DDR4 ECC SODIMM

Memory Module Pre-installed

4 GB (4 GB × 1)

Total Memory Slots

2

Maximum Memory Capacity

32 GB (16 GB x 2)

Notes

Synology may revise pre-installed memory module specifications in response to component lifecycle and supply conditions. All revised components undergo the same rigorous validation to ensure equivalent compatibility, stability, and performance.

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.

For multi-module memory configurations, all modules must be identical and share the same model number. Check the Product Manual of your Synology product for recommended memory configurations.

Storage

Drive Bays

8

Maximum Drive Bays with Expansion Unit

12 (RX418 × 1)

Drive Type (See all supported drives)

3.5" SATA HDD

2.5" SATA HDD

2.5" SATA SSD

Hot Swappable Drive*

External Ports

RJ-45 1GbE LAN Port

4

USB 3.2 Gen 1 Port

2

Expansion Port

1

Expansion Port Type

eSATA

PCIe

PCIe Expansion

1 x Gen3 x8 slot (x4 link)

Appearance

Form Factor (RU)

2U

Size (Height x Width x Depth)

88 mm × 482 mm × 306.6 mm

Weight

6.9 kg

Rack Installation Support*

4-post 19" rack (Synology Rail Kit - RKM114/RKS-02)

2-post 19" rack (direct mounting)

Notes

The rail kit is sold separately

Others

System Fan

80 mm × 80 mm × 2 pcs

Fan Speed Mode

Full-Speed Mode

Cool Mode

Quiet Mode

Power Recovery

Noise Level*

37.8 dB(A)

Scheduled Power On / Off

Wake on LAN / WAN

Power Supply Unit / Adapter

250 watts

Redundant Power Supply

-

AC Input Power Voltage

100 V to 240 V AC

Power Frequency

50/60 Hz, Single Phase

Power Consumption

49.89 watts (Access)

22.64 watts (HDD Hibernation)

British Thermal Unit

170.23 BTU/hr (Access)

77.25 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 35°C (32°F to 95°F)

Storage Temperature

-20°C to 60°C (-5°F to 140°F)

Operating Humidity

8% to 80% RH

Storage Humidity

5% to 95% RH

Certification

FCC

CE

BSMI

VCCI

RCM

EAC

CCC

KC

BIS

UL

Warranty

3-year hardware warranty, extendable to 5 years with Extended Warranty Plus

Notes

The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)

Extended Warranty Plus is only available in Europe and North America. Refer to the Extended Warranty Plus website for details on supported countries/regions. (Learn more)

Environment

RoHS Compliant

Packaging Content

Main Unit X 1

Accessory Pack X 1

AC Power Cord X 1

C13 to C14 power cord X 1

Quick Installation Guide X 1

Optional Accessories

DDR4 ECC SODIMM: D4ES04-4G/D4ES01-8G/D4ES03-16G

Expansion Units: RX418

Enterprise Series 3.5" SATA HDD: HAT5300 Series

Plus Series 3.5" SATA HDD: HAT3300 Series

Enterprise Series 2.5" SATA SSD: SAT5200 Series

M.2 SSD & 10GbE Combo Adapter Card: E10M20-T1

M.2 SSD Adapter Card: M2D20/M2D18

25GbE Network Interface Card: E25G30-F2

10GbE Network Interface Card: E10G30-F2/E10G30-T2/E10G18-T1

Rail Kit Sliding: RKS-02

Rail Kit Mounted: RKM114*

Notes

Certain items may not be available in your location. Please contact your local distributors for more information.

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

Upgrade to DSM 7.2-64551 or later before installing the M2D18.