Detail overview
   Hp - Virtual Connect 8gb 20-port Fibre Channel Module Switch - 20 Ports (572018-b21). 
 Key Features : 
  Device Type : Switch - 20 Ports 
   Enclosure Type : Plug-in Module 
   Ports : 20 X 8gb Fibre Channel 
   Features : Auto-negotiation, Manageable 
 Networking : 
   Ports Qty : 20 
   Data Transfer Rate : 8.5 Gbps 
   Data Link Protocol : 8gb Fibre Channel 
   Fibre Channel : Fc-al, Fc-al-2, Fc-fg, Fc-fla, Fc-gs, Fc-gs-2, Fc-gs-3, Fc-ph, Fc-ph-2, Fc-ph-3, Fc-vi 
   Connectivity Technology : Wired 
   Status Indicators : Port Status, Link Activity, Link Ok, Module Locator 
   Features : Auto-negotiation, Manageable 
 Expansion / Connectivity : 
   Expansion Slots Total (free) : 4 ( 4 ) X Sfp+ 
   Interfaces : 16 X Network - 8gb Fibre Channel - Backplane 
   Compatible Slots : 1 X Expansion Slot 
 Power : 
   Power Consumption Operational : 36 Watt