General Intel XL710 40GbE controller Half-length low-profile standard form factor PCI-E 3.0 x8 (8GT/s) interface Double/Single QSFP+ connectors 40Gb/s per port Load balancing on multiple CPUs Intel PROSet Utility for Windows Device Manager I/O Features Intel Flow Director MSI-X support Multiple queues: 1,536 Tx and Rx queues per port Tx/Rx IP, SCTP, TCP, and UDP checksum offloading (IPv4, IPv6) capabilities Virtualization Features Next-Generation VMDq with up to 256 VMDq VMs supported SR-IOV with up to 128 virtual ports Virtual Machine Load Balancing (VMLB) Advanced Packet Filtering VLAN support for up to 4096 VLAN tags VXLAN and NVGRE support Storage Interface Features Preboot eXecution Environment (PXE) support iSCSI remote boot iSCSI Acceleration Simple Network Management Protocol (SNMP) and Remote Network Monitoring (RMON) static counters Management Features Asset Management support on Supermicro X10 generation platforms Controller asset tags such as part number, revision, serial number, and MAC addresses Controller thermal sensor Advanced Software Features Teaming support IEEE 802.3ad (link aggregation control protocol) IEEE 802.1Q VLANs IEEE 802.3 2005 flow control support IEEE 802.1p TCP segmentation/large send offload Interrupt moderation OS Support Windows Server 2012 R2, 2012, 2008 R2 X86-64 Linux RedHat EL 6.5 and 7.0 IA-32, X86-64, and IA-64 Linux SuSE SLES 11 SP3 and 12 IA-32, X86-64, and IA-64 FreeBSD 9 and 10 IA-32, X86-64, and IA-64 UEFI 2.1 and 2.3 X86-64 and I-64 VMware ESXi 5.1 and ESXi 5.5 X86-64 Cable Support QSFP+ direct attach twinax copper cables up to 7m Fiber-optic cables (with required optional transceivers) Power Consumption AOC-S40G-i2Q: Typical: 4.9W Maximum: 7.0W Operating Conditions Operating temperature: 0oC to 55oC (32oF to 131oF) Storage temperature: -40oC to 70oC (-40oF to 158oF) Storage humidity: 90% non-condensing relative humidity at 35oC Compliance/Environmental RoHS Compliant 6/6, Pb Free Supported Platforms Supermicro motherboards with minimum PCI-E x8 slot Supermicro server systems with low-profile or full-height PCI-E x8 expansion slot Item Dimension (L"xW"xH") NA