Features: Brand new and high quality Complies with PCI Express version 2.0 standard. Complies with Universal Serial Bus 3.0 Standard. USB 3.0 interface transfer rate can reach 5Gbps, backward compatible with USB 2.0 / 1.1. Connect up to 7 USB devices simultaneously. The USB interface can provide 5V 2A power supply to external devices. With two power modules, no extra power source is needed. Supports Linux / Windows XP / 7/8 / 8.1 / 10 and certified 32-bit or 64-bit WHQL driver. Specifications: Material: ABS Color: Black Size: approx. 15x11x3cm/5.91x4.33x1.18in Bus interface: PCI-E x1 (compatible with x4, x8, x16 graphics interface) Note: No retail package. Please allow 0-1cm error due to manual measurement. Please make sure you don't mind before bidding. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x 7-Port USB PCI Express Card 1 x CD Driver