|  | 
| Power |  
| Option # | Manufacturing Part #
 | Description | Previous Part #
 |  
| X7407A
 [S] | 300-1568 23 24
 [C] | 400W AC Input Power Supply Type A178
 | n/a |  
| X7428A
 [S] | 300-1674
 [C] | 400W AC Input Power Supply Type A192
 | n/a |  
| X7428A-4
 [S] | 300-1846
 [C] | 400W AC Power Supply Type A192, L | n/a |  
| n/a | 370-5138
 [F] | DC Power Distribution Board | n/a |  
| 23 Also used as Redundant Power Supply, option X7407A 24 Only for use on 1.002GHz and 1.28GHz systems.
 
 |  
| Table Legend |  
| [F] = Field Replaceable Unit (FRU) [C] = Customer Replaceable Unit (CRU)
 [S] = Supported, but can no longer be ordered with this system
 [N] = No longer supported for this system
 Price = Price this Part
 |  |