M.2 B M Key Single Gigabit Ethernet Network Controller Card Adapter 2.5Gbps

IEEE 802.3bz, IEEE 802.3, IEEE 802.3x, IEEE 1588, IEEE 802.3az, Energy Efficient Ethernet (EEE). Storage Humidity: 90% Non Condensing Relative Humidity at 35 °C. Applicable Network: 2.5G Server NIC. Network Topology: 2500BASE T, 1000BASE T, 100BASE TX, 10BASE TE.

eBay