7port usb3.0 pci express adapter card Brand:WBTUO Model:LTU352 Port:5 excternal plus 2 internal usb3.0 port Transfer speed:5Gbps Power support:Power SATA Chipset:VL805 plus VL812 Color:Red Key features: 1.Compatiable with sub2.0 and usb1.1 devices 2.Supports simutaneous operation of multiple usb3.0 and usb2.0 devices 3.Supports 2 downstream ports for all speeds 4.Bus powered mode and no external power required for most of peripherals 5.power connector available for high current consumption peripherals 6.5external plus 2 internal usb30 ports 7.Max data transfer rete up to 5Gbps 8.Full compliant with single-lane(x1) PCI Express2.0 specificaiton 9.Power sara connnector supports extra power,no external power in needed 10.Full plug & play and hot swag compatiable connect 11.Systerm requirement:PCIE-E slot(Not fit in a standard PCI slot,only PCIE) 12.Drive support:Window 2000 XP/VISTA/7/8 Packing Details: 1.PCI Express card 1pc 2.CD disk 1pc