Features: brand new and high quality Add 1 x USB3.0 1x Type-C +19 Pin Internal through a PCI for Express slot. for PCI-Express 2.0 standard.Supports PCIe 1x, 4x, 8x, 16x Slot for super speed USB 3.1 GEN 1(5Gbps) standard,backwards to USB 2.0 and USB 1.1 Maximum transfer speed : 5Gbps, which provides a front super high-speed USB3.0 interface Support for Windows XP / 2003 / Win7 / Win8 / Vista / Linux Specifications: Bus Type: PCI for Express X1(Supports PCIe 1x, 4x, 8x, 16x Slot) Mounting Type: Full-Profile/ low-profile PCI slot cover include. Interface: USB 3.0 port Type and Rate :USB 3.0 - 5 Gbit/s Connector Type(s): 1 - PCI for Express x1 Male External Ports: 1 - USB Type-C Internal Ports : 19 pin connector Color: Black Support System: for Windows XP, for Windows 7 8 10, Linux 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. Package includes: 1 x PCIe USB Type-C Adapter Card