General Intel X550 AT2 (i2T)/X550 AT (i1T) 10GbE controller with integrated MAC and PHY Compact size low-profile standard form factor PCI-E 3.0 x4 (8GT/s, 5GT/s or 2.5GT/s) interface Dual/Single RJ45 connectors with speed up to 10Gb/port Maximum power consumption: 11W (-i2T) I/O Features Intel Flow Director MSI-X Support Multiple Queues: 128 Tx and Rx Per Port TCP/UDP, IPv4 Checksum Offloads RSS for Windows Environment Scalable I/O for Linux Environments IPv6 Support for IP/TCP and IP/UDP Receive Checksum Offload Tx TCP Segmentation Offload Large FC Receive Support for Packets Up to 15.5KB DMA Coalescing Flow Director Filters: Up to 32 KB Two Signature Filters Up to 8 KB Two Perfect-match Filters Receive Side Coalescing (RSC) Virtualization Features Multi-mode I/O Virtualization Operations VXLAN NVGRE Virtual Machine Device Queues (VMDq) Next Generation VMDq 64 Transmit (Tx) and Receive (Rx) Queue Pairs Per Port Flexible Port Partitioning: 64 Virtual Functions Per Port Support for PCI-SIG SR-IOV Specification IEEE 802.1Q VLAN Remote Boot Options Preboot eXecution Environment (PXE) Flash Interface Support Intel Ethernet iSCSI Remote Boot Intel Boot Agent software: Linux boot via PXE or BOOTP, Windows Deployment Services, or UEFI Management Features Asset Management features with thermal sensor NC-SI for IPMI Support Security and Power Management Receive Packet Filtering Integrated IPsec Security Engines for Offloads of up to 1024 Security Associations (SA) for Each Tx and Rx IEEE 802.3az Energy Efficient Ethernet (EEE) LAN Disable Function Anti-spoofing for MAC and VLANs Cable Support RJ-45 Category-6 up to 55m Category-6A up to 100m 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 Supported Platforms Motherboards with minimum PCI-E 3.0 x4 expansion slot Server Systems with low-profile or full-height PCI-E 3.0 x4 expansion slot NC-SI feature is only supported by Supermicro motherboards with corresponding NC-SI connectors Compliance/Environmental RoHS Compliant 6/6, Pb Free Item Dimension (L"xW"xH") 6 x 3 x 2