The D-Link DFE-550TX is a manageable 10/100MB Dual Speed Ethernet PCI Network Interface Card with Wake-On-LAN (WOL).The DFE-550TX provides an industry standard interface for a desktop computer to access an Ethernet, Fast Ethernet, or Dual Speed Network.The DFE-550TX is fully compliant with IEEE802.3 10Base-T,IEEE 802.3u 100Base-T specifications as well as IEEE 802.3x Flow Control. The MAC controller for the DFE-550TX is D-Link’s DL10050B chipset which implements several advanced features.Aside from the ACPI/WOL (Advanced Configuration Power Management Interface) feature, the DFE-550TX supports IP Multicast packet filtering, PXE (PreBoot execution Environment) Boot ROM,IEEE 802.1p, IEEE 802.1Q, and DMI (Desktop Management Interface).