Rackmount Storage     RS431U

■ Supports four 3.5” SATA HDD

■ Built-in power supply and three 40mm fans

■ Compact and screw-less design for easy HDD installation

■ Plug and Play

■ 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)

         SilverStone created an incredible four bay 1U rackmount storage product in the RS431U. It connects to the PC via 5Gbps SuperSpeed USB 3.0 interface or 3Gbps eSATA interface which enables data transfer with maximum compatibility and stability. A full range of RAID modes (RAID 0, 1, 3, 5, 10, Combine, Clear RAID) is supported to provide the best security and performance for your hard drives. The RS431U offers a convenient and economical way to store data and is suitable for all users that require frequent backup and data manipulation.


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.
USB 3.0 expansion card with two external ports and one dual port internal connector. more...
PCI Express card with dual internal 19pin USB 3.0 connectors more...
RS431U manual.
6,859 KB
RS431U Utility
7,135 KB
TS&RS series CD manual
86,303 KB
RS431U High resolution photos
3,007 KB
RS431U firmware Turn off sleep mode (V1.0 only)
9,586 KB

RS431U eDM (EN-RS431U.jpg)
206 KB

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