Integrated 10/100/1000M/2.5G transceiver. Supports 2.5G and 1G Lite mode. Auto-Negotiation with Extended Next Page capability (XNP). Supports PCI Express 2.1. Supports pair swap/polarity/skew correction. Configurable port order (swap) for easy PCB layout. Crossover Detection & Auto-Correction. Supports 1- 2.5/5Gbps PCI Express Bus. Embedded OTP memory can replace external EEPROM. LAN disabled by GPIO pin. Customizable LEDs. Controllable LED blink frequency and duty cycle. Self-Loopback diagnostic capability. Thermal management. Serial EEPROM. Supports 32Mbytes External Serial Peripheral Interface (SPI) Flash. Supports ECMA-393 ProxZzzy Standard for sleeping hosts. Supports LTR (Latency Tolerance Reporting). Wake-On-LAN and "RealWoW!" Technology (remote) support. Color: black+red+silver Material: PCB+metal Package Contents: 1 x Network Card 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 to be a little different from the real thing. The measurement allowed error is +/- 1-3 cm.