NVIDIA/Mellanox  MCX555A-ECAT ConnectX-5 VPI Adapter Card EDR/100GbE 
 Single port InfiniBand network card

Product Parameters
Model name: MCX555A-ECAT
Rate: FDR/EDR IB 100GbE(or 40/50/100GbE)
Interface Type: Single Port QSFP28
Application Area: InfiniBand/Ethernet
Hardware Interface: PCIe 3.0 x16
RDMA: support
Chip Type: ConnectX-5 VPI
RoHS: Yes
Operating System: RHEL/CentOS, Windows, FreeBSD, VMware, OFED, WinOF-2
Link rate: 8.0 GT/s