Mellanox MCX512A-ACAT ConnectX®-5 EN Network Interface Card, 10/25GbE Dual-Port SFP28, PCIe 3.0 x 8

ConnectX-5 MCX512A-ACAT Ethernet network interface card provides high performance and flexible solutions with up to two ports of 25GbE connectivity, 750ns latency, up to 75 million messages per second (Mpps).

Controller : Mellanox Technologies MT28800 Family ConnectX-5
Ports
Dual port. Supported Ethernet Speeds 25/10/1GbE
Interface Type SFP28
Host Interface PCIe 3.0 x8 (8.0 GT/s). 
OS Support
Windows, RHEL/CentOS, VMware, FreeBSD, OFED and WinOF-2. Cabling Type
SFP28 Transceiver, DAC and AOC. 

CPU Offloads : RDMA over Converged Ethernet (RoCE). TCP/UDP/IP stateless offload. LSO, LRO, checksum offload. RSS (also on encapsulated packet), TSS, HDS, VLAN and MPLS tag insertion/stripping, Receive flow steering. Data Plane Development Kit (DPDK) for kernel bypass applications. Open VSwitch (OVS) offload using ASAP2. Intelligent interrupt coalescence. Header rewrite supporting hardware offload of NAT router

Storage Offloads : NVMe over Fabric offloads for target machine. T10 DIF. Signature handover operation at wire speed, for ingress and egress traffic. Storage protocols, SRP, iSER, NFS RDMA, SMB Direct, NVMe-oF.

Hardware-Based I/O Virtualization : Mellanox ASAP². Single Root IOV. Address translation and protection. VMware NetQueue support. Virtualization hierarchies. Configurable and user-programmable QoS. Guaranteed QoS for VMs