Budget power supplies are usually very simplistic in the cable layout. The PowerX 550W has a little less of a traditional approach and features some cables mixed with different peripheral cables. This is nice to see as when you're building on a budget, you generally don't have a lot of peripherals and with this cable layout it is plausible that you could get away with a single peripheral cable and hide the others to keep things tidy inside the case.
The Cougar PowerX 550W features dual 12V rails. 12V1 is responsible for the Main, PCI-E and all peripheral cables, while 12V2 is responsible for nothing more than the ATX 4+4 cable. It just doesn't seem like a good idea to devote a full 22A to the auxiliary power connector, while throwing everything else on a rail that is only capable of 336W of power.
A Look Inside
There isn't too much going on inside the PowerX 550W power supply, but that's to be expected with a budget unit. There is plenty of passive cooling going and it looks like Cougar could have gone with a shorter enclosure if they really wanted to as the PCB is much shorter than the enclosure.
A single Panasonic capacitor sits on the primary side of the power supply.
Teapo capacitors litter the secondary side of the power supply.[img]24[/img]
Cougar uses their own DFT122512M 120mm fan to provide the active cooling for the PowerX 550W power supply.
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