Model No.：U35D Secure：――Safe data transfer within the HDD Speedy：―― High speed with USB2.0 interface Fashionable：――Professional products with the latest fashion Product description： 1) only for 3.5?desktop computer HDD 2) USB2.0 interface with high speed 3) Supports Windows 98SE / ME /2000 / XP, Mac OS 8.6 or latest version 4) Driverless (except of win98) 5) Human nature design, easy installation 6) Super slim and easy portability 7) The HDD capacity support 10GB up to 200GB 8) Power supply: external power supply 9) AC input: 100 - 240V 10) DC output: +5V/+12V, 28W (40W peak power) 11) Shell material: Aluminum