Compliant with PCI-E x1 standard, can take full advantage of PCI-E high speed. Plug and play. Driver-free system support: for Windows 98SE/ME/2000/2003/2008/2008-64/XP/Vista/vista-64/7, etc. With 1 1000Mbps RJ-45 Ethernet port, 10M/100M/1000M adaptive. Compatible with ieeeee 802.3, 802.3 , 802.3u, 802.3x 802.1, VLAN technology. Automatic detection and correction support. Product size: 120x67x20mm System requirement: with at least one PCI-E x1 slot available on the computer motherboard Colour:black Material:PCB+metal+electronic accessories Due to different batches, the electronic accessories on the product may be different, and the appearance and pictures may be different, but the function is the and does not affect Package Contents: 1 X PCI Network Card Only the above package content, other products are not included. Note: Light reflection and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.