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I have a fancy CPU cooler for my older LGA 775 Intel CPU. I want to upgrade to an LGA 1155, including a new motherboard and RAM. Would I be able to re-use the CPU cooler? Or would I need a new one (using either the OEM cooler or buying another aftermarket cooler)?

UPDATE:

Ok, so I've purchased a LGA 1155 motherboard (ASRock P67 Extreme4) which has 775 cooler mounting holes, I'll update this again after attempting an install.

UPDATE 2:

It works! The cpu cooler mounts at a slight angle though which is a little annoying, but other than that seems good. I can overclock from 3.3GHz to 4.2GHz, and the highest core temp I hit under load is 68C, so I'm pretty happy still.

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Like @Shinrai mentions the heatsink has to fit the motherboard (needs mounting points) and it has to match the CPU size itself. If 775 and 1156/1155 don't have significant size differences, this question would only dependent on the mounting. – Ivo Flipse♦ Jan 13 '11 at 21:38
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@Ivo Flipse - LGA775, LGA1156, and LGA1155 are all a 3.75cm by 3.75cm package size. – Shinrai Jan 13 '11 at 22:03
Awesome, that's actually good new for me too, I want to keep my 'fancy' watercooling – Ivo Flipse♦ Jan 13 '11 at 22:05
@Ivo Flipse - Basically 1155 is identical to 1156 except for being keyed differently on the processor socket itself (well, and the missing pin). – Shinrai Jan 13 '11 at 23:10
My current water block is 775, is there any way to mount this on a 1155 motherboard? I've seen plenty adapters, but I have no idea if they and how they work – Ivo Flipse♦ Jan 13 '11 at 23:23
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The mount points are different. However, there are some motherboards hitting the market with the appropriate holes for 775 mounting in addition to 1155/1156 mounting. Assuming you can find a motherboard with appropriate mount points, the heatsink itself will probably work fine. (Also note that if your heatsink is fancy enough, the manufacturer MAY have an adapter kit available.)

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After extensive searching on the internet you can purchase them as well... – KronoS Jan 13 '11 at 22:12
@KronoS - 1155 mounting is identical to 1156 mounting. Therefore there are hundreds of aftermarket coolers that'll work just fine. :) – Shinrai Jan 13 '11 at 23:09
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protected by William Hilsum Jun 1 '11 at 21:45

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