Coolmax CUG-950B 950W Power Supply

Testing

Coolmax CUG-950B 950W Power Supply Review Coolmax CUG-950B 950W Power Supply Review
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The rear of the power supply has simply the standard on/off switch. The side panel lists the various rail outputs, with the 3.3V rail rated at 30A, the 5V rated at 30A, and the three 12V rails rated at 19A, 18A, and 18A. I should note that many recent power supplies offer quad (4) 12V rails for improved stability, while this power supply only has 3 rails. Something to consider if you have a lot of high-power peripherals that demand stable power.

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Installation of the PSU was fairly straightforward. Simply place the PSU into the case and attach it using the standard four screws that are included. Finally, plug in all the components and you’re ready to go. After turning on the computer, I was pleasantly surprised to find that the power supply was indeed quiet compared to other power supplies. However, there were no LEDs on the supply which is always a nice touch in my opinion. Airflow through the power supply seemed adequate, thanks to the large 120mm fan.
Testing:
Testing was done by measuring the voltages at the connectors with a multimeter. Idle voltages were taken running Windows and full loads were taken while running SiSandra Pro. Results of similar tests on a previously reviewed Corsair 750W PSU and the aforementioned Coolmax CUG-950B 950W PSU are included for comparison.
AMD 64+ AM2 5500+
ECS GeForce 6100SM Motherboard
2 GB SuperTalent DDR2 RAM
GeForce 9800GT video card
Western Digital 250 GB 7200 rpm harddrive
Maxtor 200GB rpm hard drive
Hitachi 80GB SATA harddrive
LG DVD burner
3.3V testing:
Coolmax CUG-950B 950W Power Supply Review
The 3.3v rail performance was very stable, as with most PSUs on the market.
5V testing:
Coolmax CUG-950B 950W Power Supply Review
Similarly, the 5V rail was also solid. Very little voltage drop and minimal voltage fluctuations were seen.

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