For Intel82576 E1G42ET is to make and PHY functions in one chip. The maximum and best duplex mode for data transfer reduces network collisions. Greatly increase the bandwidth of . Support remote function. PCIE slot, with thick gold plating, good contact and more stable operation. PCI-EX4 (x8 and x16 slots can be used simultaneously with X4). : Windows? Server 2003 SP2, Unified Storage Solution 2003 Windows Server 2008, Linux Stable Version 2.6, Linux RHEL4, EHEL 5, Linux SLES 9, Linux SLES 10, FreeBSD 7.0, UEFI? 1.1, ESX 3.x Product Type: Desktop Network Card Chip: 82576 Applicable network type: Gigabit Ethernet Transmission rate: 10/100/1000Mbps Bus type: PCI-E X4 Network Standard: IEEE 802.3ad Network cable interface type: RJ-45 Transmission medium type: 4 to 5 UTP Full-duplex/Half-duplex: full-duplex/half-duplex adaptive LED Indicators: 4 LED Indicators Colour:green Material:PCB Package Contents: 1 x Network Card Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.