20Gbps (USB3.2 Gen 2X2): PCI-E card has a bandwidth of 20Gbps for fast data transfer.The actual speed of USB 3.2 on a single port and external drives is Perfect for file backup, video editing and dataBackwards compatible with USB 3.0 and USB 2.0 devicesGood compatibility: Add-on card installs in full or low-profile (bracket included) / Compatible slot: PCIe x4 (3.0), PCIe x8, PCIe x16, compatible with Windows 8/10 / Linux core, no driver required. (Windows 7 is not supported.)15PIN POWER SUPPLY CONNECTOR : With the SATA 15PIN power supply backup interface, you can connect the computer’s power cord to a strong power supply capacity is suitable for enclosure power supplies. No more worrying about problems adjusting the power supply.The power supply is sufficient and stable. PCI-E to USB3.1: a USB 3.2 Gen 2X2 Type-C port (20Gbps) to your new PC or older desktop computer with PCIe equipment. Here you will find a cost-effective solution for adding 20Gbps connectivity to your computer.