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Cougar PowerX 550W Power Supply Review

Cougar PowerX 550W Power Supply Review

Cougar PowerX 550W Power Supply Review

Cougar PowerX – Internal

Corsair AX860 fan
By opening the PSU we can see the model information for the fan and while it is Cougar branded it is actually a Young Lin model. This is a 7-blade, DC model with 12v/0.23A operation. The model number is DFS122512M and the official specifications tell us that it has a rating of 2500RPM.

Corsair AX860 full PCB

Inside the PowerX we have a pretty packed, black PCB. Where appropriate components are given extra stability by adhesive and wiring is tied where needed. Cougar have used a single Japanese capacitor with the rest Taiwanese and the soldering is average with a few components bent at odd angles.

The PowerX range also has several features which combine to protect the PC components in the event of a fault developing. First up is Over Voltage Protection which ensures that the 12, 5 and 3.3v outputs do not exceed a set level. Over-Current Protection works on the same outputs to ensure DC voltage remains within safe limits. Short-Circuit Protection is also present which powers off the PSU should any of the 3.3v, 5v or 12v rails short any other rail or ground and finally we have over temperature protection and over power protection.

Corsair AX860 PCB closeup Corsair AX860 PCB closeup

Corsair AX860 PCB closeup Corsair AX860 PCB closeup

In terms of key features we have a unit which has two +12v rail rated for 28A and 22A and Cougar certify their ratings at 40°C. Mixed with this specification is an 80 Plus Bronze certified unit which means it has passed certification of 81% efficiency at 20% and 100% load with 50% load rated at over 85% (240V). We noted earlier that this PSU a Japanese capacitor and that can be seen above, it is a Panasonic branded 400v/330µF part rated for 85°C. The rest are Teapo branded 105°C items.

About Author

Stuart Davidson

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