PC/104-Plus card has two GbE ports with POE

The PPM-GIGE-2-POE PC/104-Plus module has two independent Gigabit Ethernet ports with Power Sourcing Equipment (PSE) circuits for POE up to up to 25 W each. Using state-of-the-art DSP technology, it offers IEEE 802.3ab high-speed transmission over CAT 5 UTP cable.

The 3.6 x 3.8 inch module operates over the industrial temperature range of -40° to 85°C without a fan.  It is priced at $249 for quantity 1 and requires +5 V at 500 ma typical.