Rack Size21U Designed ForProLiant BL20p BL20p G2 BL40p; ProLiant BL20p G2 BL20p G3 BL25p BL30p BL35p BL40p BL45p DL385 Product DescriptionHP Mini Bus Bar - power distribution strip Device TypePower distribution strip - rack-mountable Height (Rack Units) ~21U1Hp Mini Bus Bar - Power Distribution Strip ( Rack-Mountable ) - 21U - For Proliant Bl20 Bl20P G2; Proliant Bl20P G2 Bl20P G3 Bl25 Bl30 Bl35 Bl40 Bl45 Dl385 Hp Is A Leading Global Provider Of Information Technology Products Services And SolutiWeight 5.1H eight21Width1Length1"