USB Casing for 2.5″ SATA Laptop Hard Disk Convert any internal Laptop 2.5″” hard disk to USB external Hard Disk, Ideal of Data backup. Make use of your old hard disk when you upgrade. It has attractive features like it supports SATA hard disks:2.5″”, 9.5mm Max, making high speed 480 Mbits/sec data backups or as a scratch disk for digital videos, perfect for copy and store files between computers, high speed USB 2.0 up to 480Mbit/sec. supports USB 1.1: Up to 12Mbit/sec, Hot-swappable, Plug and Play, stylish compact design, Easy Installation, Supports Windows 98 SE/ME/2000/XP and Mac OS 8.6 or above. Use power from USB – no external power required.