Product Name: TranscendUSB 3.1 Gen 1TB Portable Hard Drive. Brand: Transcend. USB Type: micro USB to USB Type A. Connection Interface:USB 3.1 Gen 1. Capacity: 1TB. Storage Media:2.5" HDD. Dimensions (Max.):129.5 mm x 80.8 mm x 16.1 mm (5.10" x 3.18" x 0.63"). Color:Iron gray/Military green. Operating System:Microsoft Windows 7,Microsoft Windows 8,Microsoft Windows 10Mac ,OS X 10.7 or laterLinux Kernel 2.6.31 or later. Transcend's StoreJet 25M3 ruggedized external hard drive combines supreme shock-resistant qualities with the USB 3.1 Gen 1 interface, allowing for ultra-fast file transfers and the highest level of anti-shock protection. The StoreJet 25M3 external hard drive is equipped with the USB 3.1 Gen 1 interface with the support of UASP (USB Attached SCSI Protocol), providing lightning-fast transfer rates of up to 5Gbps. The StoreJet 25M3 features a three-stage shock protection system that meets US military drop-test standards to fully protect data stored on the drive. The three-stage shock protection system includes a silicone rubber case, an internal shock-absorbing suspension damper, and a reinforced hard casing. The StoreJet 25M3 is equipped with a one touch auto-backup button that instantly backs up your data with just one press*. The button also enables you to reconnect the hard drive to your PC without the need to unplug and reinsert it. Transcend’s external hard drives are built to the highest standards and rigorously tested, offering outstanding quality, performance, and reliability. Transcend products both look after your data and complement your good taste. Brand Transcend SKU 100092517_NP-1020344666