HP 0957-0051 - Switching power supply - 140-278VAC input, 47-67Hz - Three DC outputs, 440 watts - Includes 25KHz module and battery backup Retail
HP 0957-0024 - Switching power supply (Yokogawa P150-0102) - 115-230VAC input, 47-66Hz - Three DC outputs, 157 watts Retail
HP 0957-0050 - Switching power supply (Yokogawa PS890-0101) - 110-220VAC input, 47-63Hz - Eight DC outputs, 571 watts 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
HP 0957-0085 - Power supply assembly (Zytec/Artesyn 2294660) - 90-264VAC input, 47-63Hz - Four DC outputs, 1200 watts Retail