Welcome to the store! SKN-X520-1SFP+10G SINGLE OPTICAL PORT PCIE NIC: SUITABLE FOR A VARIETY OF HOSTS, SERVERS AND OTHER EQUIPMENT ORIGINAL CHIP: It uses the X520 10Gb Ethernet controller chip, providing a fast connection without delay, ensuring smooth operation, sensitive response, and stable performance. Compatible with multiple operating systems: It has good compatibility, allowing it to work efficiently on multiple operating systems. PCI-E X8 slot: It uses gold-plated gold fingers to prevent surface oxidation, improve contact performance, conductivity, and lifespan. Colour: As shown Material: PC Due to different product batches, the appearance may vary, which does not affect the use. Package contents: 1 * 10G SFP 1 * Network 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 to differ slightly from the real one. The permissible measurement error is +/- 1-3 cm. Your 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!