Corsair RM650 Review

Published by Marc Büchel on 23.09.13
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Result Analysis and Discussion


Efficiency 115V

Load Pin(W) Pout(W) Efficiency
10 % 65.18 77.23 85.76 %
20 % 131.44 146.84 89.51 %
50 % 325 355.03 90.89 %
100 % 650 732.36 87.66 %


The 80Plus Gold certification requirements (87% - 90% - 87%) are surpassed especially at 20% Load. This is the case with most of todays PSU's an it mainly originates from the reason of lower losses in the AC filtering stage and the PFC at 230V AC.

Output Stability]t]

Load Rail Loading(A) Output(V)
20 % 5V 6.30 5.02
3.3V 6.30 3.29
12V 8.75 12.15
5VSB 0.50 5.02
 
50 % 5V 5.00 4.98
3.3V 5.00 3.27
12V 21.85 12.10
5VSB 1.21 4.97
 
100 % 5V 12.68 4.91
3.3V 12.68 3.23
12V 57.00 12.03
5VSB 2.43 4.90


Noise
Load  
20 % Noiseless
50 % Noiseless
100 % Silent


The Voltage Regulation of this PSU is very good. It makes use of a DC-DC topology. This means, that the RM650 is mainly a 12V PSU and then generates its 5 and 3.3V from 12V. This is a modern approach, and since the Load is mainly on 12V it makes a lot of sense. For almost any PSU which makes use of this topology crossload tests do not present a problem.



Page 1 - Introduction
Page 2 - Preview
Page 3 - Delivery / Specs
Page 4 - A Look Inside
Page 5 - Input/Output Power and Efficiency
Page 6 - Result Analysis and Discussion
Page 7 - Conclusion




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