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Watercooling the HD2900XT

post #1 of 74
Thread Starter 
Hi everyone, I cant find a thread asking this specific question, so here goes.

What options are there for watercooling an HD 2900XT? I found three possibles:

Dangerden (hasnt been released yet, maybe next week)
A koolance full cover block
A EK Full coverage block

The koolance is $95 US, which is good, but I dont like the idea that it is gold plated over the copper. Gold has a lower thermal conductance (Think that's the correct term) which could hinder performance. The EK block looks good, but it costs an arm and a leg to ship it here because of that darn VAT, and international shipping. Any ideas? or deals? Or alternatives?
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post #2 of 74
I'm partial to the EK brand of water blocks ... so I would recommend you send off an e-mail to Petras to see when/if they will be getting them in stock.

http://www.petrastechshop.com
post #3 of 74
Thread Starter 
I just called, and they said they have a shipment on the way, which should arrive in 2-3 weeks. They also stated that it would be a ballpark figure of around $150 O.o
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post #4 of 74
hehe I love the topic. Been on my mind forever now.

Haven't heard of this EK Water block, how does it look? lin+pics?$150, eh? Way too expensive. Good to here DD might finally debut their block (want to see some reviews)

I know the koolance has had good performance so far. AKAeric got his and posted his nice low temps here: http://www.overclock.net/ati/213685-...wb-2900xt.html
Seems decent except for the signature Koolance (lack of) build quality.

The danger den looks nice, but judging from the 8800 Full block, the MCW60 and stealth perform much better. And the EK too.

I was thinking of getting and MCW60 for my 2900 since it's the best performer on the 8800, but I was worried about the ram/mosfets. Do you think it will be an issue?


MCW60 + MC14s
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post #5 of 74
cover the voltage regulator also the big black things on the back
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post #6 of 74
Thread Starter 
Here is a link to the cheapest EK waterblock I could find. A lot of people are ragging on the DD offering because the copper in the channel looks not smooth at all, but rather jagged, and the square corners of it make for a poor water flow. I think this EK block looks pretty sick, too bad it's so much

http://www.aqua-pcs.co.uk/index.asp?...&productid=837

@Dr4gon, If Im going to watercool a gfx card, Im not going to try to use air cooling to cool the ram. Seems kind of like half-@$$ing it to me. (not criticism, just pointing out my viewpoint)
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post #7 of 74
ya thats a nice water block
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post #8 of 74
Quote:
Originally Posted by whe3ls View Post
cover the voltage regulator also the big black things on the back


Which voltage regulators? What big black thing on the back? You mean the 4 mosfets that need to be covered, yeah I forgot to mention those need to be covered with MC21s.

Quote:
Originally Posted by 0rion View Post
Here is a link to the cheapest EK waterblock I could find. A lot of people are ragging on the DD offering because the copper in the channel looks not smooth at all, but rather jagged, and the square corners of it make for a poor water flow. I think this EK block looks pretty sick, too bad it's so much
edit:



I see what you mean, didn't realize I could see that well through the block. I like the ATI red EK has going .

http://www.aqua-pcs.co.uk/index.asp?...&productid=837

Quote:
@Dr4gon, If Im going to watercool a gfx card, Im not going to try to use air cooling to cool the ram. Seems kind of like half-@$$ing it to me. (not criticism, just pointing out my viewpoint)
nice find,

i'm going for reduced noise, don't forget how loud that thing is. But I understand where your comming from. I'm still weighing my options. But I just bring up the MCW60 just because it performed the best out of many tests with 8800 blocks.

Do you have any pictures of the DD copper channels? I'd assume it'd be as bad as the 8800 series as compared to EK's smooth flowing channels, love their design!
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post #9 of 74
Thread Starter 
UPDATE: I just got an email back from EK, they are saying that if we purchase, we wouldnt have to pay the VAT tax since we are international buyers. This shaves a good 10 pounds (monetary) off the price. So its not 52 plus shipping. Whish isnt that bad at all, more like around $130 US, which is probably what we'll end up paying for the DD block. Im going to email them back to get an exact price including shipping, so updates in a couple hours hopefully.
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post #10 of 74
Quote:
Originally Posted by 0rion View Post
UPDATE: I just got an email back from EK, they are saying that if we purchase, we wouldnt have to pay the VAT tax since we are international buyers. This shaves a good 10 pounds (monetary) off the price. So its not 52 plus shipping. Whish isnt that bad at all, more like around $130 US, which is probably what we'll end up paying for the DD block. Im going to email them back to get an exact price including shipping, so updates in a couple hours hopefully.
great lol, just can't justify spending $130. That's like 1/3 of another 2900

I just saw on EK's site that they have 3 versions

a regular, regular CF, and an acetal?

Is the regular too big to be able to do CF? And isn't the acetal just supposed to be lighter weight, does it perform as well? It's more expensive.
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