Features: Made of high quality material, high temperature resistance, long life, and high stability. PCIe to USB3.2 Dual Type C adapter, This card provides two Type-C ports；PCI-E 4X connector is suitable for PCI-E 4XX, 8X or 16X slot. The PCI-E card is equipped with a bandwidth of 10Gbps which ensures fast data transfer and the real speed of USB3.2 for the individual port. This expansion card is a necessity for external drives and perfect for file backups, video editing and data recovery. Easy installation: the product is powered directly from the PCIe slot on the motherboard. No external power supply required and installation is worry-free Specifications: Item:PCI-E 4x Express to USB 3.2 Type-C Dual Port Expansion Card( 2-Port Type C) Material:Metal+PCB ASM3142 Colour:Black Interface: Type C x2 Size: Approx mixed PCI-E 4X connector is suitable for PCI-E 4X, 8X or 16X slot. Support 10Gbps PCI-E bus with full duplex channel System:support Windows 7/8/10/11/32/ 64bit//MacOS 10.14 Package Includes: 1 x PCI-E 4x Express to USB 3.2 Type-C Dual Port Expansion Card note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment