Supermicro The Ultimate Dual-Port 10 Gigabit Ethernet Controller with The Flexibility and S (AOC-STGN-I2S) Supports rate selectable 1.25Gb/s or 9.95 to 10.3Gb/s bit rates Power dissipation &lt; 1W RoHS 6/6 compliant (lead free) Commercial temperature range 0 C to 70 C Single 3.3 Vdc power supply