RJ45 socket, supports the following transceivers: For Mini GBiC Chipset: For I210AT Layer 2 Functions: IEEE 802.3x Flow Control - IEEE 802.1q VLAN Support receiver scaling (RSS), support IPv4, IPv6 protocols Supports 9K jumbo frames, supports checksum offload Network type: Gigabit Ethernet Main controller: I210AT Bus card slot: M.2 A+E Key Transmission medium: 1 x RJ45 interface Transmission rate: 1000/100/10Mbps Network topology: IEEE802.3z 1000BASE-X Gigabit Ethernet IEEE 802.3x Full Duplex and flow control IEEE 802.3ad Link aggregation for parallel links IEEE 802.1Q VLAN, IEEE 1588 IEEE 802.3az-Energy Efficient Ethernet (EEE) Features: Support PXE, DPDK, , iSCSI, FCoE, jumbo frames, etc. Working temperature: 0~55 Storage temperature: -40~70 Storage humidity: 90% non-condensing relative humidity at 35C Material: PCB colour: green Package Contents: 1 x M.2 A+E main card 2 x RJ45 ports- card 1 x CD 1 x 16-pin data cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.