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Logisys Corp 550W Power Supply

Last response: in Components
July 14, 2012 10:33:46 PM

I want to buy a Radeon 7850 HD and I am still using my stock PSU 300W , I want to upgrade it because the minimum for the GFX is 500W and i want a good cheap one. I found this one for 25$

is it good? if not are these better?

I just don't want to spend too much on a PSU

a c 76 ) Power supply
July 14, 2012 10:55:47 PM

None of those are good. Right wattage, wrong quality. Find anything from Corsair, SeaSonic, Siverstone, Antec, PC Power & Cooling, or XFX.

PSU's ARE NOT what you want to go cheap on. Quality matters. You don't want to end up frying your whole system when a low quality unit like the ones you listed decides to fail catastrophically.
a b ) Power supply
July 15, 2012 1:12:58 AM

What is your current psu? If it is a good 300w, its probably better than any of those bigger ones.
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a c 157 ) Power supply
July 15, 2012 4:30:21 AM

You might get by with your 300W. If it has a PCIe power cable for the card, give it a try. If it didn't come with a PCIe power cable, it may be a low quality unit that will be too weak. You'll know it is too small if you get a shut down or re-start when the card is stressed out. Hook it up and run Furmark for the timed benchmark. If the PC doesn't shut down or re-start, you should be OK. Furmark stresses the card more than most games. It'll also tell you if the card is OK.