Detail overview
   Dell - Connectx 2 Vpi Mhqh29c-xtr Network Adapter - Pci Express 2.0 X8 - 2 Ports (a4580449) : 
 Key Features : 
  Device Type : Network Adapter - 2 Ports 
form Factor : Plug-in Card 
interface (bus) Type : Pci Express 2.0 X8 
 Networking : 
   Connectivity Technology : Wired 
   Data Link Protocol : 10 Gigabit Ethernet, Infiniband, Fibre Channel Over Ethernet (fcoe), Fibre Channel Over Infiniband (fcoib) 
   Data Transfer Rate : 40 Gbps 
   Mac Address Table Size : 256 Entries 
   Network / Transport Protocol : Tcp/ip, Udp/ip, Ipoib, Udapl 
   Remote Management Protocol : Rmon 2, Rmon 
   Features : Vlan Support, Infiniband Qdr Link Support, Virtual Protocol Interconnect (vpi), Quality Of Service (qos), Jumbo Frames Support, Rdma Support, Core-direct Technology, Single Root I/o Virtualization (sr-iov), Link Aggregation Control Protocol (lacp) 
   Compliant Standards : Ieee 802.1q, Ieee 802.1p, Ieee 802.3ad (lacp), Ieee 802.3ae, Ibta 1.2.1 
 Expansion / Connectivity : 
   Expansion Slot : (s)2 (total) / 2 (free) X Qsfp 
   Compatible Slots : 1 X Pci Express 2.0 X8