Brand-Transcend, Model- J25M3 1TB, Connectivity-USB 3.0, Data Buffer-8MB, Op. Voltage-USB DC 5V, Power Saving Mode-10 mins, Shock Proof-Yes, Storage Media-2.5-inch SATA Hard Disk Drive, System Requirements-Desktop or notebook computer with a working USB port. One of following Operating Systems: – Windows XP – Windows Vista – Windows 7 – Linux Kernel 2.6.31 or later – Mac OS X 10.4 or later (only USB 2.0 currently supported), Internal or External-External, Capacity (GB)-1000 GB, Warranty-3 Years,