Detail overview
   Mellanox - Connectx-5 En Ethernet Adapter Card - Pci Express 3.0 X16 - 2 Port(s) - Optical Fiber Card 50gbe Dual Port Qsfp28 Pcie3.0(mcx516a-gcat). 
 General 
  Device Type : Network Adapter 
   Form Factor : Plug-in Card 
   Interface (bus) Type : Pci Express 3.0 X16 
   Pci Specification Revision : Pcie 3.0 
 Networking 
   Ports : 50 Gigabit Qsfp28 X 2 
   Connectivity Technology : Wired 
   Data Link Protocol : Gige, 10 Gige, 40 Gigabit Lan, 25 Gigabit Lan, 50 Gigabit Lan 
   Data Transfer Rate : 50 Gbps 
   Network / Transport Protocol : Tcp/ip, Udp/ip, Iscsi 
   Features : Auto-negotiation, Vlan Support, Quality Of Service (qos), Jumbo Frames Support, Rdma Support, Pxe Support, Large Send Offload (lso), Large Receive Offload (lro), Receive Side Scaling (rss), Uefi Support, Transmit Side Scaling (tss), Rdma Over Converged Ethernet (roce), Extended Reliable Connected Transport (xrc), Dynamically Connected Transport (dct), On Demand Paging (odp) 
   Compliant Standards : Ieee 802.1q, Ieee 802.1p, Ieee 802.3ad (lacp), Ieee 802.3ae, Ieee 802.3ap, Ieee 802.3az, Ieee 802.3ba, Ieee 802.1ax, Ieee 802.1qbb, Ieee 802.1qaz, Ieee 802.1qau, Ieee 802.1qbg, Ieee 1588v2, Ieee 802.3bj, Ieee 802.3bm, Ieee 802.3by 
 Expansion / Connectivity 
   Interfaces : 2 X 50gb Ethernet - Qsfp28