Features: USB 3.0 PCI-e Card provides 6x external USB 3.0 ports and 2xPort USB C via PCI-e x1/x4/x8/x16 for your PC, to connect external Hard Drives, CD/DVD drives, printers, scanners, webcams, and any other USB Devices Hardware Requirement - 1x Available PCI-e x1/x4/x8/x16 Slot on Motherboard; No power required Transfer Speed - Up to 5Gbps, 10x faster than USB 2.0, you may save time to transfer larger files, such as HD movies, photos, Lossless music Wide Compatibility - It's coming with 2x Renesas chipsets and 1x VLA chipset, ensure it's wide compatible with motherboards which already with other USB 3.0 chipset, and Backwards compatible with USB 2.0 / 1.0 devices; Support Windows 10/ 8/ 7/ Vista/ XP, Lunix Package Including: 1x 6 Ports USB 3.0 + 2 Ports USB C to PCI-e Expansion Card 1x CD Driver 2x Screws