Features: Supports PCI Card Electromechanical Specification Revision 2.0 Supports PCI Bus Power Management Interface Specification Revision 1.2 Supports USB Battery Charging Specification Revision 1.2 Compliant with Universal Serial Bus 3.0 Specification Revision 1.0, which is released by USB Supports simultaneous operation of multiple USB 3.0, USB 2.0 and USB 1.1 devices Supports all USB compliant data transfer types as follows; Control / Bulk / Interrupt / Isochronous transfer Supports the following speed data rates as follows: Low-speed (1.5Mbps) / Full-speed (12Mbps) / High-speed (480Mbps) / Super-speed (5Gbps) Compliant with 's eXtensible Controller Interface (xHCI) Specification Revision 1.0 Supports USB debugging capability on all super-speed ports Supports USB legacy function. Supports ExpressCardTM Standard Release1.0 Supports 4 downstream ports for all speeds Built-in 15-pin power connector for receiving extra power supply from system Hot-swapping feature allows you to connect/disconnect devices without powering down the system 4 sets of power modules can electromagnetic interference to the integrity and stability of data transmission System Requirement Windows ,Linux, OS 10.8 or above Color: Green Material: plastic+metal Package Contents: 1 x PCIex4 to 4 Port Controller Card Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.