ITEM NAME:4 Ports USB 3.0 PCI-E 4Pin Power Expansion Card Adapter For Computer Description: Perfect chip welding, excellent workmanship, can maximize the elimination of interference and improve stability. Each interface is equipped with an independent interface protection insurance, in case of failure, the power supply can be cut off instantly to protect the computer from damage. Plug & play and hot swapping capability. 4-pin power connector available for some high current consumption peripherals, like HDD. Support Systemï ¼Å¡for Windows XP/Vista/win7/win8/win10. Specification: Type: PCI Express to USB Card Interface: 4 Ports USB 3.0 Data Transfer Rate: 5.0 Gbps Material: Metal+Plastic Size: Approx. 12 x 8 x 6.7cm / 4.72 x 3.15 x 2.63inch Package Includes: 1 Piece 4 Ports PCI-E to USB 3.0 HUB Adapter Note: Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement. SKU: ALU0034955377016672.1 Piece 4 Ports PCI-E to USB 3.0 HUB Adapter. Interface: 4 Ports USB 3.0. Support Systemï ¼Å¡for Windows XP/Vista/win7/win8/win10. Plug & play and hot swapping capability.