One touch backup function Model No. SUB2A7 For SATA I and SATA II NoteBook Mini Hard Drvies 9.5mm high up to 400GB Capacity Interface USB2.0 Data Transfer Rate USB2.0:480Mb/s Suitability 9.5mm 2.5" SATA HDD or SATA II HDD up to 400GB Capacity Hot Plug Supports Plug-play and Hot-plug Power Adapter (AC 100~240V, 50~60Hz ; DC 5V/12V) Material Aluminum OS Compatibility Win98SE/2000/2003/Vista and MAC OS X Dimension 140(L) x78(W)x19(H) mm Remark Upgrade backup software for Windows Vista. Download Now Backup function USB2.0 Port & LED Mini pocket size Suitable for 2.5" Serial ATA HDD Polished aluminum shell Support USB2.0 with data transfer rate up to 480Mbps Plug & Play and Hot Plug