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post #11 of 13
All the radiator space in the world won't do you any good unless you can get the heat from your cpu into the water. As other people have said, the pins increase the contact surface area between the block and water. More contact area means more potential for heat transfer. The pins also promote turbulence which further increases the rate of heat transfer. Without these added features your water block won't be able to transfer the heat from your cpu to the water as effectively and your cpu will run hotter. By how much, I don't know, but I would guess it would be more than 5 degrees.
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post #12 of 13
A block with a smooth interior surface is worthless for anything with a substantial heat load. Those pins you seem to be dismissive of are what provides the surface area needed to get heat into the water in the first place.

I wouldn't use the eBay block on anything over ~30w. It's a chipset block, at best.
Quote:
Originally Posted by Mithrandir8 View Post

Without these added features your water block won't be able to transfer the heat from your cpu to the water as effectively and your cpu will run hotter. By how much, I don't know, but I would guess it would be more than 5 degrees.

On a high-end, overclocked 1155 or 1150 setup, I'd expect a 15-25C difference in load temps.

On an LGA-1366, 2011, or AM3+ octo core, I'd expect a 30-40C difference between this and good block, maybe more. I doubt it could compete with some stock air coolers.

We are looking at almost an order of magnitude difference in heat transfer area.
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post #13 of 13
Quote:
Originally Posted by Blameless View Post

A block with a smooth interior surface is worthless for anything with a substantial heat load. Those pins you seem to be dismissive of are what provides the surface area needed to get heat into the water in the first place.

I wouldn't use the eBay block on anything over ~30w. It's a chipset block, at best.
On a high-end, overclocked 1155 or 1150 setup, I'd expect a 15-25C difference in load temps.

On an LGA-1366, 2011, or AM3+ octo core, I'd expect a 30-40C difference between this and good block, maybe more. I doubt it could compete with some stock air coolers.

We are looking at almost an order of magnitude difference in heat transfer area.

All of this ^
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EK-FC7950 - EN (Nickel) EK-FC7950 - EN (Nickel) BlackIce X-Flow Stealth 240 BlackIce Stealth 240 
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AquaComputer 240 BlackIce 120 Stealth XSPC dual bay two DDC pump and two res unit Mayhems Pastel Orange 
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