This 1 Port PCI Fast Ethernet Network Adapter Card offers a reliable, cost-effective Ethernet network connection that's ideal for small form factor computers. Delivering a simple connection to 10/100Mbps (Fast) Ethernet networks, the NIC features auto-negotiation that senses speed and duplex capabilities of connected devices and full duplex support for data transfer rates up to 200Mbps. A versatile network interface solution, the NIC features a low profile mounting bracket that's suitable for small form factor computers, and is supported by all popular operating systems including Windows, Linux, Mac OS and Novell platforms. Backed by StarTech.com's Lifetime Warranty.