Gigabit PCI-E Network Card Ethernet PCI Express Adapter gaming adaptive for Desktop RJ-45 LAN Adapter 2.5Gbps RJ45 port Product Description Integrated 10/100/1000M/2.5G transceiver. Supports 2.5G and 1G Lite mode. Auto-Negotiation with Extended Next Page capabilityXNP. Supports PCI Express 2.1. Supports pair swap/polarity/skew correction Configurable MDI port orderingMDI swap for easy PCB layout. Crossover DetectionAuto-Correction. Supports 1-Lane 2.5/5Gbps PCI Express Bus. Embedded OTP memory can replace external EEPROM LAN disable with GPIO pin. Customized LEDs. Controllable LED Blinking Frequency and Duty Cycle. Self-Loopback diagnostic capability. Thermal management. 88-pin QFNGreenpackage. Serial EEPROM. Supports 32Mbytes External Serial Peripheral InterfaceSPI Flash. Supports ECMA-393 ProxZzzy Standard for sleeping hosts. Supports LTRLatency Tolerance Reporting Wake-On-LAN andRealWoW!Technologyremote wake-up support. Chipset RTL8125B Port number 1* RJ45 Standard IEEE 802.3,IEEE 802.3u,IEEE 802.3ab,IEEE 802.3az,IEEE 802.3bz Network media 10Base-T,cat3 or above UTP,1000Base-Tx,cat5 or above UTP IEEE Standards IEEE 802.11a/b/g/n/ac Data rate 10/100/1G/2.5Gbps Interface PCI Express 1x slot Auto MDIX YES Full Duplex Support YES MTBF 376,212 Hours LED Indicator Link/Act, Speed Dimension 71.5*50*1.6mm Support OS Windows1032/64, Win7 32/64, Win8,8.1 32/64 Windows Server 2012, 2008 LINUX up to 4.15 Environment Operating Temperature: 0 -60