Hi. If you're using the AK31 you'll want to check for NB clearance. I've worked with that board in a couple of different systems, and there is NO room between the NB and socket. I couldn't get any of the Volcano's to fit, they would always ride up on the NB HSF. Even with the HSF removed those coolers were still resting on the NB Chip. I ended up having to use FOP's cause they're only slightly larger than the socket lug. I have the Spir@l and I know it's not gonna fit on the AK31. Don't know what size the tc-4 is but i would check.
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water cooled
1.4 tbird @ 1580 143x11 vcore 1.88 vio 3.55
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