Welcome to our store! This expansion card uses a VIA Labs master chip, supporting the third-generation VL805 product with a 4-port main control. The converter card operates without connecting an external SATA interface, offering convenience. The expansion card utilizes 2 high-performance solid capacitors, greatly maintaining the stability of the USB power supply. Supporting small chassis, this Type-C riser card supports hot-plug functionality. This adapter card is compatible with Windows XP / 2003 / Vista / win7 / win8 / 2003/10 and later. Item Type: Expansion Card Compatible Specification Version: Compatible with PCI-Express Specification Version 2.0 Compatible with USB3.0 SuperSpeed Specification Version 1.0 Compatible with xHCI Specification Version 1.0 Main Control Chip: VL805 chipset Highest Transfer Rate: Up to 5 Gbps, significantly higher than 480 Mb/s for USB2.0, up to 10 times faster! Backward Compatibility: USB2.0, USB1.1, USB1.0 Transfer Rate: 5000/480/12 / 1.5Mbps USB Power Output: Up to 5V 2A (increased current type) Built-in SATA: Enhanced power-on interface Support: USB hot-plug function Support: For Windows XP / 2003 / Vista / win7 / win8 / 2003/10 and later Interface: USB3.0 Interface Speed: 5GBPS Support: 2U small chassis support, with half-height aperture Working Environment: 130-70 ℃ Includes: 1 x Expansion Card 1 x Half-Height Aperture We strive for 100% satisfaction and aim to provide you with a great shopping experience. If you have any questions after receiving the goods (e.g., incorrect product quantities, damaged packages), please contact us in time! We will provide you with the best solution.