Welcome to the store! 5Gbps: The panel measures 3.5 inches and is used to expand the chassis of the optical drive, providing four external USB 3.0 SuperSpeed ports. SuperSpeed USB 3.0 supports data transfer rates up to 5 Gbps (max) and is backward compatible with USB 2.0 1.1. Anti-Interference: The conductor in the USB 3.0 high-speed cable is tinned copper, and the 3-layer shielding layer improves the stability of data transmission. The transmission bandwidth is larger and more resistant to interference. High-frequency transmission is not subject to various electromagnetic interferences in the computer chassis. Operating System Support: Supports Windows XP 32 64, Windows 7 32 64, Windows 8, Windows 8.1, Windows 10, and other operating systems. Simple and Convenient: Requires a motherboard with a PCIE interface, no need to download any drivers, no external power supply, built-in connection cable, plug into the interface to use, supports hot swap. Self-Powered Module: Self-powered module, no external power supply, full solid-state capacitors. Each port has an independent interface protection. The front USB3.0 four-port expansion card leads directly from PCIE to the front of the chassis, and the PCIE interface is ultra-low 90 degrees. 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: PCIx1 interface (PCIE x1 x4 x8 x16 compatible) Expansion Interface: USB3.0x4 Installation Position: Front Floppy Drive Position Installation Cable Length: Approx. 60cm / 23.6in Transmission Speed: USB 3.0 Super Acceleration (5 Gbps) Package List: 1 x Front Panel 5 x Screw 1 x Screwdriver Your 100% satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will give you the best solution!