Features: brand new and high quality PCIe X1 Gigabit Ethernet Power Port Network Card, based on Intel® 82575 Ethernet Controller. This adapter represents enterprises and data centers the next step in the for evolution of the Gigabit Ethernet (GbE) network, providing audio / video bridging (AVB) support and power management as energy efficient Ethernet technology (EEE) combined with DMA (DMAC). PCI for Express x Gen 2.1 (2.5GT / s), high-performance design. Dual port 10/100 / 1000Mbps Ethernet pci-express network card. Innovative power management functions:It includes energy efficient Ethernet (EEE), DMA coalescing, ultra-compact design, and unique fan mounts that can increase efficiency and reduce power consumption. IEEE 802.1Qav Audio-Video Bridging (AVB), used for strictly controlled media stream sync, damping and reservation. Specifications: Main Controller: for Intel 82575 Bus Type: PCI for Express X1, 2.5gt / s Media interface: copper cable, RJ45 Transmission speed: 10/100 / 1000Mbps Network topology: 10BASE-T / 100BASE-TX / 1000BASE-T, IEEE 802.1Q VLANs, IEEE 802.3z, IEEE 802.3, IEEE 802.3x, IEEE 1588, IEEE 802.3az Low Power Ethernet (EEE) IPMI transfer management function via SMBus or NC-SI, iSCSI boot, WoL, PXE remote boot, VLAN filtering FreeBSD, Linux, VMWare ESXi operating system, Win 7 / Server 2012 / Server 2008 / Win 8 / Win 8.1 / Server 2016 / Win 10 Working temperature: 0 ~ 55 ℃ (32 ~ 131 ℉) Storage temperature : -40 ~ 70 ℃ (-40 ~ 158 ℉) Storage humidity 90% RH non-condensing at 35 ℃ Package Includes: 1 x PCIe 82575 Ethernet Electrical Port Network Card (Standard Long Iron Piece) 1 x User Manual 1 x CD drive 1 x short iron piece (optional, suitable for 2U small chassis) note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.