Why you shouldn't buy no-brand budget PSUs ...

budzossays...

Paying a bit more for quality is a good rule of thumb in all areas of performance hardware, be it computers, automobiles, or sports equipment. Buying cheap shit usually means it doesn't work as well and doesn't last as long.

Just picked up a Thermaltake Toughpower 1000W on Friday!

joedirtsays...

WTF does this mean? Umm, what was it rated for? Were they only pulling 335W from the +12V? or cheating at doing it from +5V? No budget power supply is 75% efficient. You have 20% in like heat loss and then there is conversion loss, and the wattage rating is a combo of all rails. So, yeah, if you pull tooooooooo much current from just +12V the SCR or whatever will overheat and fail. It appears they are pulling all the current from the MB connector.

This is like a Ford video showing a watercooled VW blowing up when you rev the engine at 6000RPM versus an Escort that can run at 9000RPM.

RedSkysays...

>> ^joedirt:
WTF does this mean? Umm, what was it rated for? Were they only pulling 335W from the +12V? or cheating at doing it from +5V? No budget power supply is 75% efficient. You have 20% in like heat loss and then there is conversion loss, and the wattage rating is a combo of all rails. So, yeah, if you pull tooooooooo much current from just +12V the SCR or whatever will overheat and fail. It appears they are pulling all the current from the MB connector.
This is like a Ford video showing a watercooled VW blowing up when you rev the engine at 6000RPM versus an Escort that can run at 9000RPM.


Not to mention they run it without the cover so fan airflow isn't directly properly. Can't seem to find anything on the rest though, but their results do come off as a bit too coincidental if they weren't stress testing it ...

*beg

MarineGunrocksays...

I bought a less-than-brand name PSU and it's run great in the year and a half that I've owned it.
Yes, it's generally true that you get what you pay for when it comes to PSUs, and yeah, JD is right - just about any PSU will fail without proper air flow and from yanking all those watts from one connector.

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