1.580/570G3/G4/585G2 Redundant Power Supply 348114-B21 2.451355- ... .437572-B21,437573-b21,503296-B21,500172-B21,399771-B21 580/570G3/G4/585G2 Redundant Power Supply (348114-B21)Description:Redundant ... -B21 Product Name: 1300 Watt Hot-plug Redundant Power Supply 580/570G3/G4/585G2 Redundant Power Supply 348114-B21