User can change hardware MAC address thousands of times

Complies with IEEE 802.3, 802.3u and 802.3x standards

Supports 10/100Mbps auto-negotiation and Full/Half Duplex mode

Supports 32-bit, 33MHz PCI Local Bus Master Version 2.2/2.1

Our best-selling and lowest-priced adapter, the SD120 is a 10/100 Mbps Ethernet plug-and-play PCI adapter. Firmware allows the user to program the physical MAC address thousands of times. Utilizes the latest chipset technology and provides easy installation. Automatic sensing connects to the network with a RJ-45 connector at the highest negotiable speed. With SD adapters, your computer will turn into a highly-configurable workstation or server.