PCI-E to USB Adapter (4 USB3.0 + 19Pin) Expansion Card PCI E to USB Add in Card Features: 100% brand new and high quality The 8-port USB3.0 expansion card. Two built-in 19Pin sockets, each socket can be converted into two USB3.0 interfaces i. Configure 40USB3.0 to be backward compatible with USB2.0 and USB1.1 to support hot swap of USB devices.With advanced heat dissipation solution, double-sided copper hole strip porous heat dissipation structure reduces high heat. Supports industrial cameras and cameras. Specifications: Number of interfaces: USB3.0x4 + 19 pinx2 Applicable slots: PCI-E X4/X8/X16 Bus bandwidth: about 12 Gb/s Product size: approx. 16.5x12x6.7cm/6.50x4.72x2.64in Working Environment: 0? Applicable system: Windows XP/Win7/Win8/Win8.1Win10, etc. Color: Black + Green Material: PCB + metal Package Includes: 1PC x 8-port USB expansion card note: Please allow 0-1cm error due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. This item is in the category "Computers/Tablets & Networking\Computer Components & Parts\Interface/Add-On Cards\Port Expansion Cards". The seller is "kup226" and is located in this country: CN. This item can be shipped worldwide.