1、For JL82571GB: PCI Express four port gigabit server network card is based on for Intel Ethernet JL82571GB network controller 2、EEE and DMAC: Gigabit Ethernet card provides support for voice frequency and video bridging (AVB), such as Energy Efficient Ethernet (EEE) and DMA coalescence (DMAC) 3、Power Management: PCIE Ethernet card supports power management functions, including Energy Saving Ethernet (EEE), DMA coalescence. Single port PCI Express x 10/100/1000Mbps Ethernet network card 4、Convenient and Practical: Gigabit Ethernet card is a compact design with ventilation bracket, which can improve the rate and reduce the power consumption 5、AVB Function: IEEE 802.1qav voice frequency and video bridging (AVB), which is used for strictly controlled media stream synchronization, buffering and reservation Item Type: PCIE X1 Ethernet Card Material: PCB Applicable Network: Gigabit Server Host Controller: For Intel(R) JL82571GB Bus Type:PCI Express X1, 2.5GT/s Media Interface:4 x RJ45 Copper Interface Transmission Rate:10/100/1000Mbps Network Topology:IEEE 802.1p, IEEE 802.2, IEEE 802.3ac, IEEE 802.3az, IEEE 802.3x, IEEE 802.3z, IEEE 802.3ad, Energy Efficient Ethernet (EEE) 10BASE T/ 100BASE TX/ 1000BASE T Management Features:IPMI Delivery via SMBus or NC SI, iSCSI Boot, WoL, PXE Remote Boot, VLAN Filtering OS:For FreeBSD, for Linux, for VMWare ESXi, for Win 7, for Win Server2012, for Win Server 2008, for Win8, for Win8.1,for Win Server 2016, for Win 10 Operating Temperature:0 to 55℃ Storage Temperature:-40 to 70℃ Storage Humidity:90% Non Condensing Relative Humidity at 35℃ 1 x PCIE X1 Ethernet Card 1 x Short Baffle1 x CD ROM 1 x User Manual