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SLI seal but no Ati Crossfire seal?

post #1 of 10
Thread Starter 
So some power supplies have SLI and Crossfire seal on the box. Dumb question, but will if it only has SLI, is it going to run better? lol i know it will work with crossfire, but why not just add ATI seal to box than. Unless its some partner exclusive thing with Nvidia only.
post #2 of 10
I'm not sure about the partner concept. However, the psu will work the same either way. It comes down to the quality of the psu. All gpu's have the same pci-e 6 or 6+2 pins.
post #3 of 10
The SLI and Crossfire certified stuff is just a marketing gimmick if you ask me. I bet at bare minimum all they need to do to get that "certification" is to run the PSU in a machine using either SLI or Crossfire technology.

It won't work any better than any other quality PSU, in fact some of those PSU's that carry that label may be even lesser quality than others that don't have it.
post #4 of 10
Quote:
Originally Posted by Semper Fidelis View Post
The SLI and Crossfire certified stuff is just a marketing gimmick if you ask me. I bet at bare minimum all they need to do to get that "certification" is to run the PSU in a machine using either SLI or Crossfire technology.

It won't work any better than any other quality PSU, in fact some of those PSU's that carry that label may be even lesser quality than others that don't have it.
Exackalackly.
post #5 of 10
All the lack of that sticker shows, is that the power supply's makers didn't send money to ATi so they could use it.
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post #6 of 10
Quote:
Originally Posted by E094228 View Post
So some power supplies have SLI and Crossfire seal on the box. Dumb question, but will if it only has SLI, is it going to run better? lol i know it will work with crossfire, but why not just add ATI seal to box than. Unless its some partner exclusive thing with Nvidia only.
I believe PSU companies cannot place a SLI Certification sticker on a PSU that has any Crossfire Certification sticker. I believe this was a rule set by NVIDIA but it may have been discontinued.


To recieve the SLI Certification, the company has to send two PSUs to NVIDIA and probably pay a testing/certification fee. NVIDIA tests the PSU on a few test setups as listed on www.slizone.com
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post #7 of 10
I'm in with the group saying it probably means they just did not pay the money. Just because a sticker is not there, does not mean your PSU can not handle it, just that the company did not pay for the certification.
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post #8 of 10
Quote:
Originally Posted by MobAttack View Post
I'm in with the group saying it probably means they just did not pay the money. Just because a sticker is not there, does not mean your PSU can not handle it, just that the company did not pay for the certification.
...of course...
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post #9 of 10
rev 3 of my PSU (sig rig) had SLI certification, rev 5 had both SLI and crossfire certification.

looking at the technical specs alone should be enough to determine if it's safe for multigpu.
post #10 of 10
Quote:
Originally Posted by E094228 View Post
So some power supplies have SLI and Crossfire seal on the box. Dumb question, but will if it only has SLI, is it going to run better? lol i know it will work with crossfire, but why not just add ATI seal to box than. Unless its some partner exclusive thing with Nvidia only.
The reason is pure and simple, it's politics.

You cannot have a SLi Certified PSU and a CrossfireX Certified PSU because nVidia will not allow it.
This is why the Brand/OEM Enermax has SLi Certified and Crossfire Certified editions of the same PSU with just a slight change to the model number.

Internally they are the same unit though.
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