Integrated 10/100/1000M/2.5G transceiver. Supports 2.5G and 1G Lite modes. Auto-negotiation with Extended Next Page (XNP). Supports PCI Express 2.1. Supports swap/polarity/skew correction Configurable MDI port sorting (MDI swap) for easy PCB layout. Crossover detection and auto-correction. Supports 1-lane 2.5/5Gbps PCI Express bus. Embedded OTP memory replaces external EEPROM Disable LAN using GPIO pins. Controllable LED flashing frequency and duty cycle. Self-loopback diagnostic function. Thermal management. 88-pin QFN "green" package. Serial EEPROM. Supports 32Mbytes external Serial Peripheral Interface (SPI) Flash memory. Supports ECMA-393 ProxZzzy standard for hibernating hosts. Supports LTR (Latency Tolerant Reporting) Supports Wake-on-LAN and "RealWoW!" technology (remote wake-up). Standards: 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 Colour:As Shown Material:ABS Package Contents: 1 * 2.5G PCI-E 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.