Synology Expansion Unit RX418 4-Bay 3.5 Diskless NAS for Scalable Models

Applied Models

Supports creating volumes across different units

21 series:RS1221RP+, RS1221+

20 series:RS820RP+, RS820+

19 series:RS1219+, RS819

18 series:RS818RP+, RS818+

16 series:RS816

15 series:RS815RP+, RS815+, RS815

Supports creating volumes on a single unit only RS217

DSM version requirement: 6.1.4-15217-3 or later version

Storage

Drive Bays 4

Compatible Drive Type* (See all supported drives)

3.5" SATA HDD

2.5" SATA HDD

2.5" SATA SSD

Maximum Internal Raw Capacity 64 TB (16 TB drive x 4) (Capacity may vary by RAID types)

Hot Swappable Drive

RAID Management through Synology DSM

External Ports

eSATA Port 1

Appearance

Size (Height x Width x Depth) 44 mm x 430.5 mm x 290 mm

Size (Height x Width x Depth) (with server ears) 44 mm x 480 mm x 325 mm

Weight 4.28 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

Power

Power Recovery Synchronized with the Synology RackStation

Power Supply Unit / Adapter 100 W

AC Input Power Voltage 100 V to 240 V AC

Power Frequency 50/60 Hz, Single Phase

Power Consumption* 23.26 W (Access)

6.39 W (HDD Hibernation)

British Thermal Unit 79.42 BTU/hr (Access)

21.82 BTU/hr (HDD Hibernation)

Temperature

Operating Temperature 5°C to 35°C (40°F to 95°F)

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

Relative Humidity 5% to 95% RH

Others

System Fan 40 mm x 40 mm x 3 pcs

Noise Level* 25.1 dB(A)

Notes Noise Level Testing Environment: Fully loaded with Seagate 1TB ST31000520AS 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%

Certification

FCC

CE

BSMI

EAC

VCCI

RCM

KC

Environment & Packaging

Environment

RoHS Compliant

Packaging Content

Main Unit X 1

User's Guide X 1

Accessory Pack X 1

AC Power Cord X 1

Expansion Cable: eSATA X 1

Optional Accessories

3.5" SATA HDD: HAT5300

2.5" SATA SSD: SAT5200

Rail Kit Sliding: RKS-02

Rail Kit Mounted: RKM114*