■ Support four 3.5" SATA HDD

■ Built-in power supply and dual 60mm fans

■ Compact and screw-less design for easy HDD installation

■ Fully supports Hot-Swap function

■ Support USB 3.1 Gen 1 maximum 5Gbps transfer speed

■ Support eSATA maximum 3Gbps transfer speed(V1)

■ Support eSATA maximum 6Gbps transfer speed(V2)



Model No.
Enclosure material Aluminum + SECC
Color Black
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 JMB321, JMS539, ASM1453 (V1)
JMB575, JMS567, ASM1456 (V2)
Drive support 3.5” HDD/SSD
Enclosure interface USB 3.1 Gen 1 (Max. 5Gbps) compatible with USB 2.0, eSATA (Max. 3Gbps) (V1)
USB 3.1 Gen 1 (Max. 5Gbps) compatible with USB 2.0, eSATA (Max. 6Gbps) (V2)
LED indicator Power LED - Blue for power on
HDD status LED - Blue for HDD detected
Red flashing for HDD access
Operating system support Windows 10/8.1/8/7 or future release version
Mac OS 10.x or future release version
Linux Kernel 2.6.31 or above
Computer with SuperSpeed USB 3.0 or USB 2.0 interface
Drive interface support SATA III/SATA II/SATA I
Cooling fan 60mm fan x 2
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 TS431U (hard drives not included)
USB 3.1 Gen 1 cable x 1
e-SATA cable x 1
Power cord x 1
User manual x 1
Net weight 3300±20g
Dimension 130mm (W) x 187mm (H) x 266mm (D)
5.12" (W) x 7.36" (H) x 10.47" (D)


  • Q&A

Describe Ver Size Download
TS431U manual. v1.0 2,039 KB
TS&RS series CD manual v1.0 86,303 KB
TS431U firmware (Fixed sleep mode issue, V1 only) V31.00.40.15 37,839 KB
TS431U firmware (Original version, V1 only) V31.00.40.14 796 KB
TS431U firmware (Fixed support UASP, V2) V2 854 KB
TS431U firmware (Support sleep & UASP, V2) V2 640 KB
TS431U High resolution photos 4,359 KB
TS431U eDM (ts431u-en.pdf)   491 KB

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Please enter the control panel and choose power options to setup The “USB selective suspends settings” option in the Power Options. Please switch it to Disabled on both modes which included battery mode and plugged in mode.