Specifications: Bus interface: PCI-E (compatible with x4 x8 x16 graphics card interface) Number of interfaces: PCI-E USB interface x 4 Support system: DOS linux winxp win7 / 8/10 Product Size: 120MM (baffle) x 67MM x 57MM / 4.72inch x 2.64inch x 2.24inch Line length: 0.6M / 1.97ft Product Interface: PCI-E slot Led Light