Sienoc USB 3.0 USB3.0 + eSATA II 2.0 Combo to Express Card ExpressCard 54 54mm Adapter Converter Card &hellip; When the PC motherboard power supply is not enough you need to connect an external power supply Support Windows 2000XP Vista7 Linux If the problems caused by incompatibility not the using method problem the buyer can contact us and we will give his money back To use this Express card, you will need to install the driver and we will ship the CD driver or provide the latest drive download address Can not disabled the Express solt