■ Supports four 3.5” SATA HDD

■ Built-in power supply and three 40mm fans

■ Compact and screw-less design for easy HDD installation

■ Fully supports Hot-Swap function

■ Supports USB 3.0 maximum 5Gbps transfer speed

■ Supports eSATA maximum 3Gbps transfer speed

■ Configurable RAID function (RAID 0, 1, 3, 5, 10, Combine, Clear RAID)



Model No.
Enclosure material Aluminum + SECC
Color Black
Cooling system 40mm fan x 3
Certifications CE、FCC、RoHS compliance
Power Supply Internal universal power supply switch (115V/230V)
Input: AC 100-130V/200-260V, 50Hz/60Hz
Output: DC +5V/6A +12V/11A
Controller JMS567, JMB321, JMB394 (V1)
JMS539, JMB321, JMB394 (V1.1)
Drive support 3.5” HDD/SSD
Minimum System Requirements Microsoft Windows 10/8.1/8/7/Vista (32-bit, 64-bit), or future release versions
Mac OS 10.x
Linux Kernel 2.6.31 or above Computer with SuperSpeed USB 3.0 or USB 2.0 interface
Enclosure interface USB 3.0 (Max. 5Gbps) compatible with USB 2.0, eSATA(Max. 3Gbps)*
LED indicator HDD status LED
Blue for HDD detected or rebuild complete
Red flash for HDD access or rebuild mode
RAID mode support RAID 0 , 1 , 3 , 5 , 10 , combine , clear RAID
Environment Operating Temperature: 5°C ~ 35°C
Operating Humidity: 20%RH ~ 80%RH
Storage Temperature: -20°C ~ 50°C
Storage Humidity: 20%RH ~ 80%RH
Accessories RS431U (hard drives not included)
USB 3.0 cable x 1
e-SATA cable x 1
Accessory pack x 1
Power cord x 1
User manual x 1
Net weight 4615g
Dimension 440mm (D) x 302mm (W) x 53.5mm (H)
17.32" (D) x 11.89" (W) x 2.11" (H)

*If your computer’s eSATA port does not support SATA Port multiplier please utilize USB 3.0 port or else install a eSATA card that supports SATA Port multiplier.
If your computer supports SATA Port multiplier, update the chipset driver.

  • Q&A

Describe Ver Size Download
RS431U manual. v1.0 6,859 KB
RS431U Utility v1.0 7,135 KB
TS&RS series CD manual v1.0 86,303 KB
RS431U High resolution photos 3,007 KB
RS431U firmware Turn off sleep mode (V1.0 only) V1.0 9,586 KB
RS431U eDM (EN-RS431U.jpg)   206 KB

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