Welcome to the store! 1、5 GB Transfer: This 4-port expansion card boasts a transfer rate of up to 5 GB, ensuring lightning-fast data transfer and improved work efficiency. 2、4 Interfaces: The 15-pin expansion card is equipped with 4 USB3.0 interfaces on the back and 1 set of front pin headers for stable data transmission. 3、2A Power Supply: The coil uses a 12 x 12 mm enclosed high-power coil, providing a robust 2A power supply for each port. 4、Easy to Use: This desktop PCI E to USB 3.0 expansion card requires no external power cable and comes with half-height and full-size brackets for easy installation. 5、15PIN Interface: The PCI E expansion card features a 15 PIN SATA power supply interface, providing an extra power supply option for enhanced practicality. Item Type: PCI E to USB 3.0 Expansion Card Material: PCB Number of Interfaces: 4 Applicable Slots: PCI EX1, X4, X8, X16 Current: Independent 2A for each interface Operating System: Supports XP, Win7, Win8, Win8.1, Win10 Transfer Rate: 5GB Package Includes: 1 x PCI E to USB 3.0 Expansion Card 1 x Card Bracket 1 x CD Driver 1 x Screw Package Your satisfaction is our top priority. We are committed to providing you with the best service. If you encounter any issues after receiving the product, such as damage or incorrect quantity, please contact us immediately, and we will provide you with the best solution!