Description: PCI-EXPRESS extended 4 port rear USB3.0 + built-in 19PIN UB3.0 + built-in USB3.0 Using NEC latest chip version of the chip D720201, faster, more power, lower power consumption, more stable quality, more compatible Uses the latest NEC chip for expansion of desktop PCI-E slots Instantly and fully compatible with Windows 98SE, 2000, Me, XP, VSITA, WIN7, you get instant access to next-generation scanners, printers, high-speed storage devices and digital cameras, MP3s and other digital devices Support parallel port design Speeding (5Gbps) / High Speed (480Mbps) / Full Speed (12Mbps) Support USB3.0 connector type X4 connector Support a series of USB functions (compatible with USB1.1, USB2.0) Support all USB data transfer functions: control, expand, interrupt, synchronous conversion Frequency of chip work: 24 trillion Support hot swap 1.2A within the mobile hard drive can be directly driven, do not take the wire Specification: Material: Aluminum + PC board Size: 120 * 66 * 1.5mm Package Includes: 1x expansion card 1x CD