Anti-Interference Technology: Equipped with tinned copper conductors and triple-layer shielding, this USB 3.0 hub enhances data stability and bandwidth, effectively reducing susceptibility to electromagnetic interference in high-frequency environments. Plug-and-Play Convenience: This device connects seamlessly via a PCIE interface on your motherboard without the need for external drivers or power supplies. It supports hot swapping, making it a hassle-free addition to your system. Self-Powered Design: Each port on this USB 3.0 expansion card operates independently with its own interface, powered directly from the PCIE slot without the need for external power, featuring ultra-low 90-degree connectivity for optimal space management. Broad Operating System Compatibility: This hub supports a wide range of operating systems including Windows 32/64-bit versions, ensuring versatile use across different computer configurations and user needs. High-Speed Data Transfer: The front panel measures 3.5 inches and offers four external USB 3.0 SuperSpeed ports, capable of data transfer speeds up to 5Gbps, while maintaining backward compatibility with USB 2.0 and 1.1 standards. Specification: Item Type: PCIE to USB 3.0 PC Front Panel Material: Iron Product Size: Approx. 102 x 94 x 25.8mm / 4.0 x 3.7 x 1.0in Bus Mode: PCIEx1 Interface (PCIE x1 x4 x8 x16 Compatible) Expansion Interface: USB3.0x4 Installation Position: Front Floppy Drive Position Installation Cable Length: Approx. 60cm / 23.6in Transfer Rate: USB 3.0 Acceleration (5Gbps) How to Use: Take out the product and use it Color: Black Package Contents: 1 x Front Panel 1 set x installation accessories 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.