4 Ports USB PCIE Riser Expansion Card PCI Express PCIe USB 3.0 High-speed Hub Adapter for PC Computer _x005f_x000D_ Feature: _x005f_x000D_ Supports simultaneous operation of multiple USB 3.0 and USB 2.0 devices. _x005f_x000D_ Backwards compatible with USB 2.0 devices. _x005f_x000D_ Supports 4 downstream ports for all speeds. _x005f_x000D_ Supports for Windows 7/8/10/Vista/XP 32/64-bit, for Server 2003-2008 32/64-bit. _x005f_x000D_ Upgrade your PC with support for the latest in USB technology with a 4-Port SuperSpeed USB 3.0 PCI Express Adapter Controller Card. SuperSpeed USB 3.0 boasts data transfer rates of up to 5Gbps- more than 10X that of its predecessor. _x005f_x000D_ With quick and easy installation, you'll enjoy the lightning-fast transfer rates of USB 3.0 devices performing at full speed potential. _x005f_x000D_ _x005f_x000D_ Specification: _x005f_x000D_ Data transfer rate: up to 5Gbps _x005f_x000D_ Output: 5V/900mA MAX (each USB port) _x005f_x000D_ External port: 4 x USB 3.0 _x005f_x000D_ Internal port: 1 x 4-Pin power connector _x005f_x000D_ Host interface: PCI Express (PCI-E) _x005f_x000D_ _x005f_x000D_ Note: _x005f_x000D_ Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! _x005f_x000D_ Please allow 1-2cm measuring deviation due to manual measurement. _x005f_x000D_ _x005f_x000D_ Included: _x005f_x000D_ 1 X PCIE Expansion Card Supports simultaneous operation of multiple USB 3.0 and USB 2.0 devices. Backwards compatible with USB 2.0 devices. Supports 4 downstream ports for all speeds. Supports for Windows 7/8/10/Vista/XP 32/64-bit, for Server 2003-2008 32/64-bit. Upgrade your PC with support for the latest in USB technology with a 4-Port SuperSpeed USB 3.0 PCI Express Adapter Controller Card. SuperSpeed USB 3.0 boasts data transfer rates of up to 5Gbps- more than 10X that of its predecessor.