SKN-X520-1SFP+10G SINGLE OPTICAL PORT PCIE NIC: SUITABLE FOR A VARIETY OF HOSTS, SERVERS AND OTHER EQUIPMENT ORIGINAL CHIP: Itadopts X520 10Gb Ethernet control chip, fast connection without delay, but with Smooth Use, Sensitive Response and Stable Performance. Compatible with Multiple Operating Systems: It owns Good Compatibility, which can work efficiently on multiple operating systems. PCI-E X8 Slot: It adopts Gold-Plated Gold Fingers, to prevent oxidation, improve contact performance, conduction performance and service life. Colour:As Shown Material:PC Due to different product batches, the appearance , 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.