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Seasonic M12II 500watt Power Supply - Testing

By: Mike Wright | Other PSUs in Cases, Cooling & PSU | Posted: Jan 29, 2008 5:00 am
TweakTown Rating: 88%Manufacturer: Seasonic USA



When it comes to testing a power supply, there are two courses to travel. One takes you down a path using a device to stress out the PSU and provide data regarding the power levels across all three rails. The second, and the one I make use of, utilizes an actual test system to give a more real-world account of what the power supply is capable of. While both methods have their merits, I prefer to use an actual computer to more closely resemble the manner of use that you, the potential customer, will put the product through.


That said, let's take a quick look at the test system. At the request of readers, I have beefed up the system to put a more realistic strain on the power supply.


GIGABYTE 965P-DS4 motherboard (Supplied by GIGABYTE)


Intel Core 2 Duo E6600 processor


2x 1024MB Corsair XMS2-8500-C5 memory (Supplied by Corsair)


GeCube X1900XTX graphics (Supplied by GeCube)


Sapphire X1900XT graphics (Supplied by Sapphire)


Western Digital 250GB SATA hard drive


2x Western Digital 160GB SATA hard drives


Western Digital 80GB hard drive


Sony 52x CD-ROM optical drive


Samsung 16x DVD-R optical drive


1x 200mm fan


2x 120mm fans


4x 80mm fans


While this isn't a Quad-GPU setup, we are certainly in the realm of having a system that is going to put a significant power drain on any power supply. Testing will consist of checking the power levels across all three rails at idle and again while the system is under stress. This should give us a good look at the capabilities of the power supply being tested.





I was half expecting this power supply to struggle under a dual graphics setup, but it performed well even when under a load. Not only that, but it maintained power levels across all rails that were still very acceptable. Granted, it isn't in the realm of a powerhouse 8800 Ultra, but it still handled the stress very well. It appears that this little beast really is aimed toward the gamer.


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