The Intel X550 Dual Port 10G Base-T Adapter, Full Height Ethernet is is validated and optimized on Intel® Xeon® processors and is backward Compatible with 1000BASE-T. It has an integrated MAC + 10GBASE-T PHYs, Single-Chip Solution and is designed for Multi-Core Processors: MSI/MSI-X and Direct Cache Access, Flow Director, up to 128 Tx/Rx physical queues per port. It is the best choice for virtualized servers, providing advanced features including Intel® Virtualization Technology for Connectivity (VT-c), Virtual Machine Device Queues (VMDq) and Single Root I/O Virtualization (SR-IOV) up to 64 VFs per port, NVGRE and VXLAN stateless offloads delivering amazing performance.- Provides PCIe interface- Features a compact space-saving design- Ideal for high-performance network applications