Key Features SuperSpeed USB 3.0 compliant and backwards compatible with USB 2.0* Advanced internal hard drive suspension system Sleek durable and shock-resistant Quick Reconnect Button – after safely removing the hard drive from the system, press to reconnect the drive without having to unplug and replug the USB connector again One Touch Auto-Backup button* 256-bit AES file & folder encryption* Exclusive Transcend Elite data management software *Transcend Elite software is required to use this feature. Specifications Size 130.6mm x 80.1mm x 15.0mm (5.22" x 3.2" x 0.6") Op. Voltage USB DC 5V Op. Temperature< model : TS-1TSJ25A3W tag : External Hard Drives