Item Type: PCI E 1 to 2 Riser Card Material: Metal,Plastic Interface: 2 USB3.0 A Female (PCI E Signal, Cannot Insert USB Device) Input Interface: PCI E 1X Interface Speed: PCI E 2.0 Support Slot: PCI E 1X,4X,8X,16X Product Master:For ASMeida ASM1182E Support System:For WIN XP,for WIN 7,8 ,10,11,for LINUX 1、Good Flexibility: PCI E 1X to 2 PCI E multiplier card, 1 interface can be expanded to 2 PCI E interfaces, effectively solving the problem of the lack of PCI E interfaces on the motherboard. 2、High Stability: The PCI E 1 to 2 riser card uses the PCI E interface to directly supply power, no external power cord is required, and the main control board is free from external interference and has strong stability. 3、Powerful Chip: Pcie splitter 1 to 2 PCIE riser card adopts for ASMedia ASM1182E master control, high speed and stable transmission. 4、Wide Compatibility: PCI E 1X to external 2 PCI E USB 3.0 adapter is compatible with PCI E 4X,8X,16X; the system supports for Linux,for Win7,for Win8,for Win10,for Win11 and other systems. 5、Easy Installation: Before installation, the main board needs to be powered off, and then straighten the slot position, which can effectively reduce interface interference, ensure data reliability, and improve work efficiency. 1 x PCI E 1 to 2 Riser Card