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Synology Expansion Unit RX418 4-Bay 3.5" Diskless NAS (1U Rack) for Scalable Models (SMB)

Price: $999.0


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  • Products Name: Synology Expansion Unit RX418 4-Bay 3.5" Diskless NAS (1U Rack) for Scalable Models (SMB)
  • Model#: RX418
  • Brand: Synology
  • Last Update:
  • Net Weight: 19.300Kg
  • Warranty: 36 Months
  • Form Factor : 4 Bays

Expansion Unit RX418
4-bay 1U rackmount expansion unit for 1U RackStation

Official Product Link Open Link
Applied Models RS818(RP)+
Some models support independent volumes creation only. Please find more details here.
Note DSM version requirement: 6.1.4-15217-3 or later version
Drive Bays 4
Compatible Drive Type* (See all supported drives) 3.5" SATA HDD
Maximum Internal Raw Capacity 48 TB (12 TB drive x 4) (Capacity may vary by RAID types)
Hot Swappable Drive YES
Hot Swappable Drive YES
eSATA port 1
Appearance Size (Height x Width x Depth) 44 mm x 480 mm x 325 mm
Weight 4.28 kg
Power Power Recovery Synchronized with the Synology RackStation
Power Supply Unit / Adapter 100W
AC Input Power Voltage 100V to 240V 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)
Note Power consumption is measured when fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
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)
Note Noise Level Testing Environment: Fully loaded with Seagate 1TB ST31000520AS hard drive(s) in idle; Two G.R.A.S. Type 40AE microphones, each set up at 1 meter away from the Synology NAS front and rear; Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75ËšC; Humidity: 58.2-61.8%
Certification FCC Class A
CE Class A
BSMI Class A
Warranty 3 Year Hardware Warranty
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 Synology RKS1317 - Rail Kit Sliding
Synology RKM114 - Rail Kit Mounted