Logisys Corp 550W Power Supply

[M7ammad]

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$

http://www.amazon.com/Logisys-Corp-Bearing-Supply-PS550E12BK/dp/B004MU8VCS/ref=sr_1_15?s=electronics&ie=UTF8&qid=1342303274&sr=1-15&keywords=psu

is it good? if not are these better?

http://www.amazon.com/Eagle-Voltas--PSVTX500-BK-500Watt-connectors/dp/B00318COWU/ref=sr_1_147?s=electronics&ie=UTF8&qid=1342304922&sr=1-147&keywords=psu

http://www.amazon.com/Cool-Power-Gamer-CP-G880-Supply/dp/B0055E80XU/ref=sr_1_207?s=electronics&ie=UTF8&qid=1342304884&sr=1-207&keywords=psu

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

THANKS!!!

 

[DJDeCiBeL]

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.

 

[Temile]

What is your current psu? If it is a good 300w, its probably better than any of those bigger ones.

 

[clutchc]

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.
http://www.ozone3d.net/benchmarks/fur/

 

[DavidY]

These two are quality units that are in the lower price range...Corsair CX500V2 500 watt or PC Power & Cooling Silencer Mk3S600 600 watt (Seasonic):

http://pcpartpicker.com/part/corsair-power-supply-cmpsu500cxv2

http://pcpartpicker.com/part/pc-power--cooling-power-supply-ppcmk3s600