4 port USB 3.0 PCI-e Expansion Card PCI express USB 3.0 hub adapter 4-port USB3.0 controller USB 3 0 PCI e PCIe express 1x

4 port USB 3.0 PCI-e Expansion Card PCI express USB 3.0 hub adapter 4-port USB3.0 controller USB 3 0 PCI e PCIe express 1x
  Note: no retail package box
Model number
TXB048
Chipset
VIA/VL806
Port number
4* USB3.0
Interface
PCI Express 1x slot
Dimension
65.4*80*16.6mm
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
USB3.0 Specification compliant, backward compatible with USB2.0 & USB1.1
2 external USB3.0 ports, 10x faster than USB2.0
Supports PCI-Express Rev. 1.0a
USB3.0 data transfer rate up to 5Gbps
Plug and play installation
External power supply