1000Mbps compatible card based on PCI 2.2 bus 32 or 64 bit (33/66MHz). Supports IEEE 802.3z 1000Base-SX and SC fiber optic connector. LEDs have access, speed, activity, collision, TX and RX. Ideal for installation on a server and connect to a switch that has a fiber optic port 1000Base-SX. Virtual LAN support, long frames, MDIX 10/100/1000, etc. FIFO buffer has 8Kb to 32Kb for transmission and reception of data. Cable supports 50/125 or 62.5/125 nm for MM (Multi-Mode). Compatible with Windows environments.