Features:Single-port 10G SFP fiber network card for high-bandwidth storage (SAN) and network (LAN) traffic. Full hardware offload for FCoE and iSCSI protocol processing. This offload keeps CPU cycles and makes the Converged Network Adapter an ideal choice for virtualized environments. Works seamlessly with existing Fibre Channel and iSCSI storage. Compatible with existing Fibre Channel and iSCSI drivers, as well as management applications currently deployed in millions of systems. Self-contained aluminum alloy heat sink, gold-plated PCI-E interface, more stable operating. Specification:Vertical Segment Server Number of Interface single Speed & Slot Width 5.0 GT/s, x8 Lane System Interface Type PCIe v2.0 (5.0GT/s) Cable Medium SFP Cabling Type SFP+ Direct Attached Twin Axial Cabling up to 10m Bracket Height Low Profile and Full Height Ethernet Controller main control chip For 82599EN For Virtualization Technology for Connectivity (VT-c) Yes Intelligent Offloads Yes On-chip QoS and Traffic Management Yes Flexible Port Partitioning Yes Virtual Machine Device Queues (VMDq) Yes PCI-SIG* SR-IOV Capable Yes Supported Operating Systems For Win Server 2012 R2*/ 2012*/ 2008 R2*/ 2008* SP2/ 2003 R2*/ 2003* SP2; for Win 8*/ 7*; for Win Vista* SP2; for Linux* Stable Kernel version 3.x, 2.6,x; for Red Hat Enterprise Linux* 5, 6; for SUSE Linux Enterprise Server* 10, 11; for VMware ESX/ESXi* Size Approx. 150*120*20 MM / 5.9*4.7*0.8 inch Package List:1 x X520-DA1 Network card 1 x Half height baffleNote:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering..