Japanese psu AP-600GLX80+

Solution
That Akutisu AQTIS AP-600GLX80+ looks like it's made by FSP based on the components used, circuit board layout and heatsink fin design.

JohnJones

Honorable
Jun 24, 2012
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I would highly recommend against using it. You are better of to spend the money on a high quality power supply, because they:
1) are most likely component to fail
2) When they fail, it can fry other things as well
I would recommend a 750 watt seasonic or corsair,
 
A 550w PSU will be able to run an i5 3570k OC+Radeon HD7950 OC situation just fine as long as it's of decent quality.

Only purchase a 750w PSU if you're planning to SLI/Crossfire with beefy GPU's (HD7950/GTX670 or HIGHER).

But yes, other than that, JobJones is correct.