Detail overview
   Mellanox - Connectx-3 Gigabit Ethernet Card (mcx312a-xcbt) : 
 Key Features : 
  Device Type : Network Adapter - 2 Ports 
   Form Factor : Plug-in Card 
   Interface (bus) Type : Pci Express 3.0 X8 
   Pci Specification Revision : Pcie 3.0 
 Expansion / Connectivity : 
   Expansion Slot(s) : 2 (total) / 2 (free) X Sfp+ 
   Compatible Slots : 1 X Pci Express 3.0 X8 
 Networking : 
   Connectivity Technology : Wired 
   Data Link Protocol : 10 Gigabit Ethernet, Fibre Channel Over Ethernet (fcoe) 
   Data Transfer Rate : 10 Gbps 
   Network / Transport Protocol : Tcp/ip, Udp/ip, Iscsi 
   Remote Management Protocol : Rmon 2, Rmon 
   Features : Auto-negotiation, Diffserv Support, Quality Of Service (qos), Jumbo Frames Support, Rdma Support 
   Compliant Standards : Ieee 802.1q, Ieee 802.1p, Ieee 802.3ad (lacp), Ieee 802.3ae, Ieee 802.3az, Ieee 802.1qbb, Ieee 802.1qaz