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Rosco

Picking the right powersupply

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So I am planning to upgrade the psu for the rig in my sig, I am currently stuck between the AX750 and the TX750m about a week ago the AX was R1600 and now it's R1900 and the TX is now R1450 (Great SA pricing I know...).

My question is, is it worth it to spen the extra cash and get the AX or will the TX be as good.

 

Just a note the HX750 is R1880 (Again SA pricing is just lol)

 

Any advice will help a lot.

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Let's see, the main differences between the TX750M and the AX750 are the following.

 

 

Cabling

 

AX750 - Fully modular cables

TX750M - Some fixed, some modular

 

Fully modular makes cable management easier.

 

 

Efficiency

 

AX750 - 80Plus Gold

TX750M - 80Plus Bronze

 

While there is a difference, it would take a long time to notice much difference between how much it costs to run.

 

 

Warranty

 

AX750 - 7 Years

TX750M - 5 Years

 

Might want to check that these are accurate in SA.

 

 

AX750 should have better build quality overall. Voltage regulation and ripple etc. look roughly comparable from the reviews I've seen.

 

So if any of the above features of the AX750 are important to you, then go for that. If not then the TX750M is still a good unit.

 

 

Here are reviews of both -

 

TX750M

AX750

Edited by jammin

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Hey Ros,

 

Depends on how important the convenience of a fully modular power supply is to you. The AX is fully modular, the TX is not. The other thing the AX has over the TX is 80 Plus Gold Certification. Which to me, isn't that big of a deal. I've had lots of positive experiences with the regular TX750 units and they are outstanding power supplies. And, in fact is my go to power supply for mid-range to upper mid-range builds. So, me being the best bang for the buck guy I am, would go for the TX750M, even though it does have a shorter warranty period.

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I suppose you could argue that the gold efficiency rating would be better for overclocking because it should have fewer power ripples. Otherwise, save the money.

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Hmm ok thanks for all the replies there is just one more thing I would like to know. Will there be any difference in overclockability between the two and I would assume that both of them would be able to run two of my 6950's with a modest oc on them and the cpu. I plan to get another 6950 when the new 7000 seriesncoms out because typically the SA pricing meens that the prices will take a dramatic fall when the new stuff comes out.

 

edit

Ok dit some checking up on the TX750m and well I'm sold the modularity that it provides is just enough coz I use all the non modular cables anyway and those that I would have to tidy up are modular so it's all good for the TX.

Thanks for the replies anyway. :thx:

Edited by Rosco

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I don't in any way believe that your overclocking results will be any different because of the two different power supplies that you are comparing. And the TX750M will run two HD 6950s just fine.

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I suppose you could argue that the gold efficiency rating would be better for overclocking because it should have fewer power ripples. Otherwise, save the money.

 

Efficiency ratings have nothing to do with DC output quality. Just to be clear.

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:withstupid:

It would be easy to design a power supply with the best DC quality in the world and completely disregard efficiency and power factor. The latter have no bearing on DC quality they are simply addressing the need to save energy, be "green" and save the power generators and consumers some money. I'll go as far as saying that 80 Plus certification, however admirable, is a little "gimmicky". How many organisations would issue a certificate on the basis of testing one unit with no policing, ie. no further random checks or follow ups? I'm sure their isn't widespread abuse of the 80 Plus certification but it certainly leaves itself open to it don't you think?

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