It provides Gigabit port by being easily plugged into PCI slot. There is 1 Auto Sense Gigabit Ethernet port of 10/100/1000 Mbps on the device. There is 1 x RJ-45 connector slot. The Ethernet port features Auto MDI/MDI-X. The device automatically detects whether the cable plugged into its port is a cross cable or straight cable and adjusts itself according to the current situation. Half/Full-duplex works. Supports IEEE 802.3x (Full Duplex and flow control) standard. It complies with IEEE 802.3 (10BaseT), IEEE 802.3u (100 BaseTX), IEEE 802.3ab (1000 BaseTX) standards. Chipset: Realtek RTL8169SCPCI Local Bus Master Rev.2.1 and 2.2 compatible Low profile bracket comes with the product. It supports Windows 7, Vista, XP, Mac OS X and Linux operating systems.