SYNOLOGY 4-BAY EXP EXPANSION UNIT RX418

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SKU: SYNOLOGY-RX418

When the storage capacity on Synology 1U RackStation reaches its limit, Synology expansion unit RX418 provides easy capacity expansion by adding 4 3.5″/2.5″ SATA drives to the system. Synology RX418 can also be used as a dedicated local backup destination of Synology 1U RackStation for comprehensive data protection.

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Description

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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
Notes
  • For more information on the compatibility of each expansion unit, please refer to this article.
  • To have better performance, we recommend creating storage volumes physically located within the same NAS or Expansion Unit, rather than creating volumes across your NAS and Expansion Unit.
  • 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 YES
RAID Management through Synology DSM YES
Notes Storage Pool and volume creation require all drives to be listed as compatible on the device model’s compatibility list.

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/RKS1317)
  • 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)
Notes Power consumption is measured when it is 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)
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

Warranty

 3-year hardware warranty, extendable to 5-year coverage – EW201
Notes The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)

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
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