Add USB 3.0 Type-C ports to your desktop with this PCI Express adapter. Each interface has a dedicated 3A power supply, ensuring stable performance. Experience high-speed data transfer up to 5Gbps with the NEC main control chip. Enjoy simultaneous operation of both USB-C ports. Built-in overcurrent and short-circuit protection safeguards your devices and computer. Solid capacitors ensure a stable power supply for reliable performance. Compatible with PCIE X1 / X4 / X8 / x16 slots and supports Windows 10, 8.1, 8 (32/64bit), Windows Server 2012, 2012R2, 2016, 2019, Windows 7, XP, Vista. Easy plug & play installation with included driver CD (for older systems). Specifications: Output Interface: 2 x USB-C 3.0 Input Interface: PCI-E Type: Half-height, Full-height (optional) For: PCI-E X1 X4 X8 X16 Compatible OS: Windows 10 / 8.1 / 8/7 / XP 64-bit and 32-bit Note: Windows 8 and 10 users don't need a driver. XP and WIN7 users need to install the driver from the CD. Does not support old PCI. Not compatible with Mac OS or LINUX. Package includes: 1PC x PCI-E to USB 3.0 expansion card