PCI-E PCI Express 1x to Dual Port USB 3.0 HUB PCI Express Expansion Card Adapter High Speed up to 5Gbps Add On Cards With Low Profile Bracket

Model number TXB047 Chipset NEC/PD720200 Port number 2* USB 3.0 Interface PCI Express 1x slot Dimension 80*68* 12.6 mm Support OS Windows®10(32/64), 8 / 8.1 (32/64), 7 (32/64), Vista(32/64), XP(32/64), 2000 Windows Server® 2012, 2008 R2, 2003(32/64) Mac OS® 10. x (Intel based, tested up to 10.9 ) Linux 2.4. x and later (Tested up to 3.5 )
Environment Operating Temperature: 0? -50?
Relative Humidity: 10%-90%(non-condensing)
Storage Temperature: -0? -80?
Relative Humidity: 5%-90%(non-condensing) Features USB 3.0 Specification compliant, backward compatible with USB 2.0 & USB 1.1 2 external USB 3.0 ports, 10x faster than USB 2.0 Supports PCI-Express Rev. 1.0 a USB 3.0 data transfer rate up to 5Gbps Plug and play installation Note the main product (without affecting the normal use, the configuration has increased or decreased) Compare the detail sizes with yours, please allow 1-3cm error, due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding.