Integrated dual 10/100/1000BASE-T and dual 1000BASE-X/SGMII 1.25 Gbaud SerDes transceivers. Energy Efficient Ethernet™ (EEE) compliant with IEEE Std 802.3az 2010. Dual 10/100/1000BASE-T full/half-duplex Dual 1000BASE-X/SGMII full/half duplex Automatic crossover. 5 GT/s or 2.5 GT/s x2 PCI Express v2.0 and -X capabilities - up to 17 -X vectors I/O virtualization (IOV) support for VMWare® NetQueue and ® VMQ 17 receive queues and 16 transmit queues 17 -X vectors support per-queue interrupts to hosts Flexible -X vectors for send/receive queue association TLP Processing (TPH) ECN compliant with PCI Express Base Specification v2.0 Receive-side scaling (RSS) with per-queue MSIX vector support and support for UDP RSS hash types Transmit Side Scaling (TSS) and multiple Tx queues with per-queue X vector support Jumbo frame support for up to 9600 byte payloads Virtual LAN (VLAN) support - IEEE 802.1q VLAN tagging , IP, UDP checksum offloads Large Send Offload (), Segment Offload () Hardware-assisted implementation of IEEE 1588 and IEEE 802.1AS time synchronization IEEE 802.3x flow control On-chip temperature monitor PCI Express CLKREQ support Power Management Offload (PM Offload) Serial Flash and EEPROM NVRAM support; Flash auto-configuration ECC error detection and correction on internal The appearance and color of the product from batch to batch, which does not affect the use. Colour:Green Material:PCB Package Contents: 1 x PCI-E BCM5720 Single Optical Port Server Network Card 1 x Driver-CD 1 x Short Iron Sheet 1 x English instruction manual 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.