BCM5720 Gigabit Ethernet: Energy Efficient Ethernet support, hardware support for IEEE 1588 timestamping, host to connection for better system manageability. Designed for today's enterprise and data center environments, Broadcom's NetXtreme 1G Ethernet controllers are the ideal solution for multi-core servers, delivering full line-rate throughput on all ports. PCIe 2.1 1x Dual Port 1G LAN BCM5720 Ethernet Controller is a 13th generation 10/100/1000BASE-T and 10/100/1000BASE-X Ethernet LAN controller solution for high performance server and networking applications. The host interface supports separate PCI Express functions for each LAN interface. The BCM5720 includes I/O Virtualization (IOV) functions such as 17 receive and 16 transmit queues, and 17 -X vectors with flexible vector-to-queue association. These IOV capabilities enable the BCM5720 to support VMWare NetQueue and VMQ technologies 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 x2 PCI Express v2.0 at 5 GT/s or 2.5 GT/s 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 interrupt to host per queue Flexible -X vector for send/receive queue association TLP Processing (TPH) ECN Compliant with PCI Express Base Specification v2.0 Supports jumbo frames with payloads up to 9600 bytes Virtual LAN (VLAN) support - IEEE 802.1q VLAN tagging , IP, UDP checksum offload Large Send Offload (), Segmentation 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 Material: PCB colour: green Package Contents: 1 x Network Card 1 x Driver-CD 1 x Short Iron Piece Only the above package content, other products are not included. Note: Light 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.