4 LED Indicators; Transfer, 10Mbps, 100Mbps, 1000Mbps(1Gbps) Activities.
1 RJ-45 Port for Connecting with RJ-45 Cat-5 Ethernet Cable.
Pre-Installed with Full Height Bracket, also includes Low Profile Bracket.
Supported by Windows, VMWare ESXi, Linux, FreeBSD, and many Open Source Projects.
This is the bulk version, it does not come with any software nor driver. But most modern OS's will automatically detect this card and install the correct driver for it. If the OS does not, then do a web search for " Broadcom NetXtreme 57XX driver" and top links should link to the driver for this card. Includes Half Height/Low Profile Bracket.