Synology RX418 RackStation Expansion add on 4 RX418

Synology RX418 delivers an effortless solution for volume expansion and data backup for Synology 1U RackStation by adding 4 additional SATA drive bays on-the-fly. With its short-depth chassis design, RX418 ensures easy installation and deployment in 2-post racks and wall mount racks.Supported NAS models includes : RS818+,RS818RP+,RS816,RS815+,RS815RP+,RS815. Synology RX418 is backed with 3-year limited warranty.
Specification:
-Internal HDD: 3.5" or 2.5" SATA x4
-External HDD Interface: 1x eSATA
-Hot-swappable HDD
-Size (HxWxD): 44x430.5x290mm
-Weight: 4.23Kg
-System Fan: 40x40mm x3
-Noise Level: 32dB (A) (5200rpm)
-Power Recovery: Synchronized with the Synology RackStation
-AC Input Power Voltage: 100V-240V AC
-Power Frequency: 50/60 Hz, Single Phase
-Operating Temperature: 5C-35C
-Storage Temperature: -10C-70C
-Relative Humidity: 5%-95% RH
-Maximum Operating Altitude: 10,000 feet