Power Over eSATA eSATAp II & USB 3.0 USB3.0 to PCI-E PCI Express Card w/ Motherboard 20 pin Connector Supports Windows XP / Vista / 7 / 8 / Server 2008. Stable and reliable NEC Chipset Renesas D720201. Please note that the internal 7 pin SATA connector need to be connected to motherboard when using the external Power eSATA port. Please note that if the motherboard SATA port connected supports SATA III, the Power eSATA supports SATA III specification. Please note that for 3.5" HDD/SSD there is additional power required. (4 pin Molex power connector on card can be used.)