Bus interface PCI-E X4 to PCI-E X16 Card effectively solve the problem of insufficient PCI-E ports on the motherboard.. The 4-port USB PCI-E Card is designed with 4 USB ports that support USB 3.0, so it can provide fast data transmission speed.
Bus interface: X4, X8, X16 interface (Not compatible X1).. PCI-E slot power solution, no extra power cable needed, so that the main board power supply is not interfered by the outside world and has high stability.. The PCI-E X4 to USB adapter is compatible with many kinds of computer system and is easy to use,
System support: Win7 / Win8 / Win10/ Win XP / DOS / Linux.