Which is best block for GTX 680

Performance wise, there aren't any reviews out, but tbh based on waterblock history, they'll perform within a few degrees of each other.
 
I'd go for Aqua computer blocks to be fair, performance might be minimal, but if there is a chance of flaking or other problems with the EK blocks then A-C is the logical choice IMO.

EK really need to get these issues firmly stamped out or its going to harm business.
 
I'd go for Aqua computer blocks to be fair, performance might be minimal, but if there is a chance of flaking or other problems with the EK blocks then A-C is the logical choice IMO.

EK really need to get these issues firmly stamped out or its going to harm business.

there are other brands than AC and EK...

also, EK dont only make nickel blocks...
 
there are other brands than AC and EK...

also, EK dont only make nickel blocks...


I know I was just mentioning what OcUK had been showcasing as of late :)

They do make copper blocks, but often showcase the Nickel 'EN' blocks over them, by all means if a copper block is available then go for it, but especially when I purchased my GPU blocks, the only options they had at all were nickel based.
 
I got nickel and am currently quite worried about what coolant I am putting through them :(

I just bought an EK EN nickel 580 water block, and the sheet that comes with it mentions fluid. I shall quote an excerpt from it:

"Certain biocide additives such as copper sulphate, silver coils and even pure distilled water only may, when not used with corrosion inhibiting coolant, cause irreparable damage to the nickel plating due to accelerated galvanic corrosion"

Hope that's been of some use :p

As for the block, I'll echo everyone else's comments. Go with what looks nice/is a good deal. I went for the block I did because I wasn't too bothered about the block cover material, and it was brand new and going cheap on the member's market.
 
I just bought an EK EN nickel 580 water block, and the sheet that comes with it mentions fluid. I shall quote an excerpt from it:

"Certain biocide additives such as copper sulphate, silver coils and even pure distilled water only may, when not used with corrosion inhibiting coolant, cause irreparable damage to the nickel plating due to accelerated galvanic corrosion"

Hope that's been of some use :p

As for the block, I'll echo everyone else's comments. Go with what looks nice/is a good deal. I went for the block I did because I wasn't too bothered about the block cover material, and it was brand new and going cheap on the member's market.

You mean this thing:
IMG_20120310_161209.jpg


Have a support ticket in with EK asking them to expand a little further on this, I don't want to end up like cleeecooo and be constantly returning flaking blocks :(
 
You mean this thing:
http://dl.dropbox.com/u/43853114/IMG_20120310_161209.jpg[IMG]

Have a support ticket in with EK asking them to expand a little further on this, I don't want to end up like cleeecooo and be constantly returning flaking blocks :([/QUOTE]

It's not constant!

Just the GPU ones that seem to falter :/

I'm not to bothered though, by the time the blocks have failed, the GPU has aswell so i'd need to split them up for RMA either way
 
i will go for the cheapest and lightest one... my ek 5870 block is so heavy that is actually bending the card a bit...
 
i went for the aqua one after reading about ek's flaking and flaky support, ocuk only stock the nickel ones and i worked out it would cost approx £130 to import a copper one.
 
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