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I have a rig running with one Antec 500 watts PSU and now i want to add another PSU and run 2 5970. I think a good 750w should be enough. I want advice whether to buy Ax, Cx, Tx, or Hx of Corsair, to be used with this  :


I know that difference is that AX is modulated and others are not or are semi (HX) but i don't care about clutter as my rig will be open. This matters due to price difference as AX is most expensive I think CX is the cheapest. Also any other cheaper PSU with quality ????

Thanks

the one you find on sale , all corsair are good or look at jonnyguru.com  ;D

Newegg always has something on sale.

All of mine are coolermaster or corsair.

The bigger Rosewills (750+) seem to be good also.

Modular is more expensive, but they generally seem to use higher quality components.

I've used the CX line up for standard builds, they seem alright but definitely lack in the look and feel of the unit.  I have a HX1050 and a HX750, and I've been quite happy with them.  I'd definitely recommend the HX series.

thx guys....

Go for a Seasonic .  Expensive but excellent .

Corsair AX = Seasonic

CX is the budget line, lowest quality, still decent
TX is the next step up, more for casual gamer builds, decent as well
HX is the enthusiast line, high power, good quality, slightly older line however.
AX is the top of line quality power snob units, superb quality (was seasonic in the older AX, I believe the newer units are Flextronics however)

I personally would go with the AX because I feel like you can't go wrong with higher power quality, but anything typically has had good results. Maybe skip CX if you're really going high power.

AX = Seasonic  ?

Well learn something new everyday. Thanks.

I'd say get the AX then :)

Almost all major PSU suppliers are rebranded OEMs from actual manufacturers. The people who actually make the PSUs you probably haven't heard of most of the time (except Seasonic perhaps). You always need to dig beneath the mask to figure out what's going on.

For example, The CX-400 is a seasonic unit (the X line? Not sure precisely), while the CX-430 is a Channel-Well product. Now even beyond that, you should recognize that CWT is a hit or miss company, they make some good/decent/bad products. For example the GS corsair line is also CWT, but they're fairly crappy low quality units. The HX-1050 is CWT, but actually high quality build, and one of the standards of high power PSUs for years back in the day.

The TX750v2 is a seasonic product, that is actually one of my favs, although it's only a Bronze unit and not modular.