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Choosing a PSU - AX vs. TX? 6970 CF, i5 OC'd

post #1 of 11
Thread Starter 
I'm looking for PSU that will support CF 6970s and an OC'd i5 2500k.

I assume the range I'll need for wattage is a minimum of 750w, but 850w being ideal?

What other brands should I look at?

And how much of a difference is there between Corsair's AX, HX, and TX line of PSUs? I know AX is modular, TX is not. Is modular mostly an aesthetic upgrade (no extra cables taking up space), or does it offer better performance?

I'd definitely like to keep it under $200.00. Canada Computers has a sale on the AX850 - 184.99.

If I can drop the price down to $150.00 (CAN) while not taking a hit in quality that'd be great.

Thanks in advance!
post #2 of 11
Modular doesn't offer any type of performance increase but it saves you a headache you're going to get when you're trying to hide all those cables with non modular.
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post #3 of 11
AX is 80Plus Gold, HX is 80Plus Silver, TX is 80Plus bronze.
Modular is mainly for air flow, looks and ease of design, with less clutter.

NCIX.com has on weekly sale of the AX850 for $164.99. Canada Computers has it for $181. Plus you can always price match at NCIX.

Corsair AX850 $164.99 NCIX.com
    
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post #4 of 11
I'd go for the AX750, it is more than enough for an HD6970 CF.

Check out my sig, a quality +750W is more than enough.

You have many options;

- Corsair HX750
- Corsair AX750
- Corsair HX850
- Corsair AX850

The Corsair AX750 would be a sweet choice imo, or AX850 if you want to be future-proof.


Edit:

Seeing Sp33d Junki3's deal, I'd go for that AX850.
    
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post #5 of 11
You can do with the AX750 for $148.95 at Direct Canada.
Corsair AX750 $148.95 directcanada.com

For the little cost difference, I would just get the AX850. A little more headroom wont hurt.
    
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post #6 of 11
TX (and TX V2, and GS, and CX, and CX V2) is non-modular, TX___M is partially modular and a new release that is kind of unknown still, HX is partially modular, and AX is fully modular.

They're all different designs. The HX and AX lines just happen to be the premium lines, so they have better performance. HX750/850 and AX750/850 are all about the same quality. That has nothing to do with them being modular, but they're indeed better than the TX units, which are already good.

Best value is probably the XFX XXX Edition 750W (same as the old XFX Black Edition 750W, just with different exterior) that's semi-modular. Performance is very good, like the AX750 and HX750.

http://www.directcanada.com/products...anufacture=XFX
http://www.ncix.com/products/index.p...anufacture=XFX

Reviews:
http://www.jonnyguru.com/modules.php...Story&reid=184
http://www.hardwaresecrets.com/article/933
http://hardocp.com/article/2010/04/2..._supply_review
post #7 of 11
go with ax series-
80plus gold and modular/airflow/no clutter is som reasons but i had experienc with tx 650 wher i smell burn and somtime won post after o.c.

yes i connected cables right

also u save on electricity bill
    
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post #8 of 11
Quote:
Originally Posted by XDDragonSlayerXD View Post
go with ax series-
80plus gold and modular/airflow/no clutter is som reasons but i had experienc with tx 650 wher i smell burn and somtime won post after o.c.

yes i connected cables right

also u save on electricity bill
Faulty PSU is a faulty PSU...

I also had a Corsair TX650 and it did wonders for me.

Either ways, I'd go for the Corsair AX850.
    
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post #9 of 11
Quote:
Originally Posted by kcuestag View Post
Faulty PSU is a faulty PSU...

I also had a Corsair TX650 and it did wonders for me.

Either ways, I'd go for the Corsair AX850.
true it could have been faulty but corsair psu never fail (almost)

arn u the guy who did a build log with lot upgrades
Edited by XDDragonSlayerXD - 7/29/11 at 12:57pm
    
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post #10 of 11
Vote for the Corsair AX850
    
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