[High Speed Data Transfer]: Based on the USB3.2 standard, this expansion card offers data transfer speeds of up to 10Gbps, twice as fast as USB3.0. Whether it's transferring large files or playing 4K videos, it can handle it with ease. [Multi Port Design]: Equipped with 5 Type A ports, you can connect multiple USB devices simultaneously such as flash drives, hard drives, mice, keyboards etc., meeting the needs of multitasking users. [ASM3142 Main Control Chip]: This expansion card uses ASMedia's ASM3142 main control chip for stable performance and strong compatibility. It effectively prevents data loss and errors. [PCI E 4X Interface]: With Pci E 4X interface, this card is compatible with most motherboards and easy to install without the need for additional drivers, just plug and play. [Wide Compatibility]: Compatible with various operating systems, this expansion card can be used in both desktops and laptops to meet different user needs. Output Interface: 5 Port Type-A Speed: USB3.2 GEN2 10Gbps Support Slot: PCI-E 4X (the motherboard must support 4X8X16X slots Supported systems: WIN7/WIN10/WIN11/LINUX Notes: 1: WIN7 needs to install the driver. The speed is slow. It is recommended to use systems above 10 2: The motherboard must support PCI-E3.0 to run at 900-1060M/S 3: PCI-E2.0 is 700-800M/S. The specific speed is related to the motherboard, hard disk box master control and SSD Colour:Black Material:PCB+Metal Package Contents: 1 x USB Expansion Card Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.