100% brand new and high qualityFeatures:Compliant with PCI Express specification Revision 2.0.Compliant with Universal Serial Bus USBB 3.0 specification Revision 1.0.Backward compatible with USB2.0 and PCI-Express 1.0.Each interface has an independent interface protection insurance.Each interface has an independent voltage regulator, stable power supply.The capacitor is a solid-state patch that can withstand 250 degrees of high resistance.It adopts heavy metal technology, good conductivity and strong oxidation resistance.Specifications:Type: 4-port USB 3.0 extension cardChip: NEC720201PCI-e x1x4/x8/x16 portUSB interface: 4 x usb3.0Transmission rate:USB2.0: 480MbpsUSB3.0: 5 GbpsProduct size: approx. 120x75x69mm/4.72x2.95x2.72inPower output for USB3.0 interface: 5V/900mA (with PSU connected)Supporting operating system:Win 7/8/10 / Vista / XP, Server 2008 R2 32/64-bit, Linux Kernel 2.6 or laterNote:Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank youPackages:1PC x USB 3.0 PCI-Express expansion card1PC x Driver CD1PC x Half height board