Features: 100% brand new and high quality Complies with PCI Express version 2.0 standard. Complies with Universal Serial Bus 3.0 Standard. The transmission speed of USB 3.0 interface could reach 5Gbps, backward compatible with USB 2.0 / 1.1. A USB device to simultaneously connect 7tlg. The USB interface could provide 5V 2A power supply to external device. With two power modules, you don't need extra power source. Compatible with Linux / Windows XP / 7/8 / 8.1 / 10 and Certified 32-bit or 64-bit WHQL driver. Package Includes: 1 x 7-port USB PCI Express card 1 x CD- driver Specifications: Material: ABS Color: Black Size:approx. 15x11x3cm/5.91x4.33x1.18in Bus interface: PCI-E x1 (compatible with x4, x8, x16 graphical interface) note: No retail package. 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 you