Integrated dual 10/100/1000BASE-T and dual 1000BASE-X/SGMII 1.25 Gbaud SerDes ceivers.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 vectorsI/O virtualization (IOV) support for VMWare NetQueue and VMQ17 receive queues and 16 mit queues17 -X vectors support per-queue interrupts to hostsFlexible -X vectors for send/receive queue associationTLP Processing (TPH) ECN compliant with PCI Express Base Specification v2.0Receive-side scaling (RSS) with per-queue MSIX vector support and support for UDP RSS types mit Side Scaling (TSS) and multiple Tx queues with per-queue X vector supportJumbo frame support for up to 9600 payloadsVirtual LAN (VLAN) support - IEEE 802.1q VLAN taggingTCP, IP, UDP checksum offloads Send Offload (), TCP Segment Offload ()Hardware-assisted implementation of IEEE 1588 and IEEE 802.1AS time synchronizationIEEE 802.3x flow controlOn-chip temperature monitorPCI Express CLKREQ supportPower Management Offload (PM Offload)Serial Flash and EEPROM NVRAM support; Flash auto-configurationECC error detection and correction on internal SRAMThe appearance and color of the product from batch to batch, which does not affect the use.Colour:GreenMaterial:PCBPackage Contents:1 x PCI-E BCM5720 Single Optical Port Server Network Card1 x Driver-CD1 x Short Iron Sheet1 x English instruction manualOnly 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.