**[Super-Fast 2.5Gbps Network]** Experience up to 2.5x faster speeds with the Realtek RTL8125B chip, enabling significantly quicker data transfer for gaming, live streaming, and downloads during bandwidth-intensive tasks. **[Complete Compatibility]** Enjoy seamless backward compatibility with 2.5Gbps/1Gbps/100Mbps. Supports Windows 10/8.1/7 and Linux. No driver needed on Windows 10; easily download drivers from Realtek's official website for other operating systems. **[PCIe to 2.5G RJ45]** This 2.5GBASE-T PCIe Network Adapter converts a PCIe slot (X1/X4/X8/16) into a 2.5G RJ45 Ethernet port. Note: Works only with PCIe slots, not PCI slots. **[Wide Application with Heatsink]** Comes with both a standard bracket and a low-profile bracket to fit various chassis types, including desktop PCs, workstations, servers, mini tower computers, and more. Excellent heat dissipation quickly reduces temperature and maintains stable network transmission. **Material:** Plastic **Color:** Black **Package Contents:** 1 x PCI Network Adapter with heatsink Only the above package content is included; other products are not. Note: Light shooting and different displays may cause the color of the item in the picture to differ slightly from the real thing. The allowed measurement error is +/- 1-3 cm.