M.2 A+E KEY 2.5G single-port Gigabit network adapter combines a quad-speed IEEE 802.3-compliant media access controller with a quad-speed Ethernet transceiver, compliant with the IEEE 802.3u 10/100Mbps Ethernet specification, the IEEE 802. 1000Mbps Ethernet specification, and the IEEE 802.3bz 2500Mbps Ethernet specification. It also provides high-speed transmission over CAT5e UTP cable or CAT3 UTP (10Mbps only) cable. Onboard single 2.5G network port, integrated 10/100/1000M/2.5G transceiver supports 2.5G, 1G Lite, and 100M modes. Auto-negotiation with extended next page capability Supports swap/slew/skew correction Crossover detection and auto-correction Bus type: M.2 A+E Transmission media: 1x 2.5G R45 port Transmission rates: 2.5G/1000/100Mbps Network mode: Supports 2.5G and 1G Lite modes Compatible with IEEE802.3, IEEE802.3u, and IEEE802. Supports IEEE1588v1, IEEE1588v2, and IEEE802AS time synchronization Supports IEEE802.1Qav credit-based shaping algorithm Supports IEEE802.1P Layer 2 priority encoding Supports IEEE802.1Q VLAN tagging Supports IEEE802.3az-2010 Supports IEEE802.3bz-2016 (NGBASET) Supports full-duplex control (IEEE8023x) Supports jumbo frames up to 16K bytes Supports Virtual Machine Queues (VMQ) Supports quad-core receive-side scaling (RSS) Supports hardware ECC (Error Correction Code) and hardware (Cyclic Checksum) functions. *Supports PCIMSI (Message Signaled Interrupt) and -X. Supports the ECMA-393 ProxZzzy standard for sleeping hosts. *Supports Wake-on-LAN and "Realwow!" technology (remote ). System Requirements: 7/Win 8/Server 2008/Win 8.1/Server 2012/2016, Win 10/32/64-bit, Linux... Color: Green Material: PCB+Plastic+Metal Package Contents: 1 x network card withcable 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.