be quiet! Dark Power 13 850W PSU Review – Impressive Efficiency, Dead Silent & Decent Performance

Efficiency Normal, Light & Super-Light Loads

avg_efficiency_normal_loads1_115V

avg_efficiency_normal_loads1_230V

avg_efficiency_low_loads1_115V

avg_efficiency_low_loads1_230V

efficiency_ultra_low_load1_115V

Efficiency is high on all load ranges. The unit also exceeds 70% with a 2% load.

Average Efficiency

avg_eff_115V

avg_eff_230V

Compared to Gold and Platinum units, the Dark Power 13 easily takes the lead.

Average PF

avg_pf_115V

avg_pf_230V

The APFC converter performs decently at 115V, but it needs tuning at 230V.

Average Efficiency 5VSB

5VSB_efficiency_115V

5VSB_efficiency_230V

The 5VSB rail should be upgraded to offer higher efficiency, especially at 230V.

Vampire Power

Stand_By_115V

Stand_By_230V

Vampire power should be lower than 0.1W at 230V.