I'm trying to clean up my case and quiet it down, thus I am moving from my beloved PC P&C 510 to a Modular PSU with a larger fan (if anyone would like the PC P&C, PM me with an offer).

I am currently debating between the Corsair 620HX 620w and the Thermaltake W0106RU 700w power supplies. Using a power supply calculator, my current system will be okay with the 620HX, but if I chose to add SLI, water cooling, or upgrade to the newest Intels, I would be pushing the upper limits of the Corsair, and thus the Thermaltake's higher 700w looks better. So which would you guys prefer? And if there is a third PSU that would fit my bill better, please be generous and link to it . Thank you guys!

I wouldn't own a TT power supply if it was free and the company gave me $500.

I have the Corsair 620 and it is dead silent, super powerful, modular, etc....everything you could want in a psu. Corsair's 620w is definitely more power than anything TT has. TT is pure junk when it comes to psu's, especially when it comes to rating their power output. Look at the Corsair and see they rate theirs at 55C temps for power output while TT usually measures theirs, like all weak welfare psu mfgs, at some ridiculous temp like 25C which is absolutely unreal.

My advice: ALWAYS avoid junk psu's like Ultra-X and Thermaltake and stick with a proper brand like Corsair, Antec, Fortron, Enermax, OCZ, etc.

ps forget stupid psu calculators. They are absolute junk for the simple reason that psu mfg's rate their psu's power outputs at mostly unrealistic numbers/temps...just because that TT psu says 700w doesn't mean it will give you 700w for more than 5 or 10 seconds, and the efficiency is shit because they say nonsense like "88% efficiency" but they are measuring that at unreal temps like 25C which is about the temp of your psu the instant you turn it on. Corsair and others are a bit more realistic in this sense, and the power is definitely more stable, more reliable (I've run overclocked E6600, 4 hdd's, 8800GTS, watercooling, fan controller, etc with my HX-620 Corsair with nary a problem and it's dead silent, and i've even ran this same exact setup but with 2x X1900XT's in Crossfire as well...top notch psu this Corsair is)

I had my TT ToughPower 750W for over year. I never had any problem with it. And I know they got 5 years warranty on the power supply.

Corsair-- without a doubt

http://www.newegg.com/Product/Product.aspx...N82E16817814005

Think about this Tagan too.

Tagan is a pretty decent brand only recently available in USA I think

I'd still stick with Corsair, OCZ, Fortron, Antec and never a TT regardless of how many people claim they are good (which won't be that many)

A_G, Tagan's been around for a while. I bought the 480W Tagan PSU I have about 3 years go, and it's been a great unit! Rock stable and "whisper" quiet, even with 2x80mm fans.

If the OP is still looking for something in a Corsair that's a little more "beefy", he might check out the CMPSU-750TX

It's a single-rail design, with 60 amps of +12V power, all the connectors you'll ever need, and a 5 year warranty. (At present there's a $45 MIR when purchased at NewEgg.)