Tuniq Potency 550W PSU review

👤by Daniel Humble Comments 📅08-04-09
Installation and Testing


The PSU is a standard ATX sized unit so slips neatly into any ordinary case, an issue that may be apparent on installation is that due to it being a non-modular PSU you do have a lot of cables to deal with during installation so depending on your case design it might be a problem. However once installed you can easily neaten them up with the supplied cable ties.

The other and more serious issue is that some of the cables seem a touch on the short side, exactly how much of a problem this is will depend on what case and motherboard you use. For reference this was a Coolermaster ATS 110 case with an Asus K8V SE Deluxe motherboard and a Chieftec Dragon Midi Tower case with an Abit IP35-XE motherboard and found in both cases it was a little bit of a stretch for the molex connector at the lowest point (the hard drive and on the motherboard itself respectively). This might not prove to be such a problem for other combinations but neither are particularly large cases. Cable extensions are of course available and the molex splitter in the box would do the job but it is something that should be noted.



Testing

The parts used for testing are as below:

Chieftec Dragon case
Asus K8V SE Deluxe
Geforce 6800GT
4x Sata hard drives
2x IDE hard drives
2x optical drives
3x USB devices


The test initially used a single hard drive and a single USB device just to get a feel for the PSU but it was swiftly realised that wasn't even causing it to break sweat as the voltages barely moved. The Abit IP35-XE based system mentioned above wasn't used in final testing due to problems which is a pity as it would have given it a better workout but those problems were entirely unrelated to the PSU I hasten to add.



The current ATX 2.2 specification allows for up to 5% variance in the rails so the PSU is well within acceptable parameters even under load, the 5V rail shows the biggest variance in comparison to the rated voltage but that is to be expected as it was the most heavily loaded under the test and even it barely fluctuates.



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