HP 0957-0279 - Power supply assembly (Zytec/Artesyn 22919706) - Power factor corrected, nickel plated, EMI clips, 925 watts Retail
HP 0957-0264 - Power supply fan kit (Artesyn 22918209) - Includes the fan, screws, and instructions Retail
HP 0950-3245 - Switching power supply (Astec SA451-3505-011) - 90-140VAC input, 60Hz - Three DC outputs, 450 watts - Mounts in bottom rear of chassis Retail