HP Common Slot power supply technology, 3rd edition

Table 2: Operating efficiencies of 80 PLUS certified HP CS power supplies

Percent of efficiency

Power supply type @ 10% load @ 20% load @ 50% load @ 100% load

HP 460W CS Gold 85.02% 90.39% 92.43% 91.57%

HP 460W CS Platinum 86.50% 91.20% 94.37% 93.91%

HP 460W CS Platinum Plus 88.58% 92.05% 94.42% 93.07%

HP 750W CS Gold 87.58% 90.58% 92.90% 91.54%

HP 750W CS Platinum 88.85% 92.04% 94.55% 93.67%

HP 750W CS Platinum Plus 89.37% 92.47% 94.69% 93.41%

HP 1200W CS Silver 78.43% 86.84% 91.75% 91.19%

HP 1200W CS Platinum 88.74% 92.53% 94.34% 93.21%

HP 1200W CS Platinum Plus 90.37% 93.24% 94.44% 91.92%

Note

Most common load point

Figure 2A: Efficiency curves for HP CS Platinum Plus power supplies

86.0%

88.0%

90.0%

92.0%

94.0%

96.0%

98.0%

0 200 400

600

800 1000

1200

Efficiency

Power

460W Platinum Plus

750W Platinum Plus

1200W Platinum Plus

Peak efficiency range

for 460W supply

Peak efficiency range

for 750W supply

Peak efficiency range

for 1200W supply