HP 0957-0257 - Power supply assembly (Delta SMP-260BL Rev. B) - 88-269VAC input, 47-63Hz - Three DC outputs, 260 watts - Includes fan, plug, and power control module Retail
HP A1707-90016 - HP model 3000 series 9x7, and HP model 9000 series 8x7 and 800/X CE handbook - For HP repair use ONLY Retail