I've just found myself with two Corsair H100s for an, originally, rather annoying reason.
My original supplier postponed shipment and said he wouldn't ship for another two weeks, so I bought it elsewhere, wanted to cancel with him, but it arrived this morning -- and now I thought I might go along with a nice mod and further quieten down my new system. The system will be an ASUS Z68, i7 2600k, 16gb of Corsair RAM, an EVGA GTX 580 SC+ and an OCZ Vertex3 480GB IOPS SSD mounted in a Corsair 800D (which arrived with a nick in the painting of one of the side doors, which I'll have to look into fixing up :[) and powered by a be quiet 850W psu (I wanted to use a corsair psu, but they weren't in stock :-[).
So, the H100, I'll obviously use in a four fan push-pull configuration to cool the CPU, and I'll probably need a couple more case fans in my 800D to ensure that the auxilliary chips on the mainboard stay frosty, but that shouldn't be too much of an issue, especially if I can also isolate the GPU heat by moving it quickly to another radiator.
I had originally been thinking of replacing the cooler of my EVGA SC+ GTX 580 with an Alpenföhn Peter heatsink and four 140mm fans, so it was already disassembled and I was just about to mount it when the postman came knocking.
My new plan -- and I'd really welcome a few comments on its feasibility and usefulness -- now looks like this:
* Adapt the brackets of the Peter for mounting the H100 or create some new brackets from steel (I saw that Jake Crimmins has done that, here, or rather, there)
* Mount the H100 onto the GPU chip, using the original plate of the GTX 580 for cooling the VRAM etc and replacing the rather small swath of cooling grease with new high performance grease.
* In order to provide additional cooling for the VRAM, mount the holding bracket for the Peter's fans and install four slow-turning 140mm fans to add additional cooling capacity, increasing air pressure and loudness slightly. If they can be removed without compromising the cooling, I can do that later.
One major question that remains is, whether this actually cools the GTX580 better than the Peter alone would.
I may be blind, but I haven't found a quantification of the H100s thermal dissipiation levels to compare it with the Peter's; I suspect it may be slightly higher given the respective radiator designs, but would really welcome a qualified comment.
So, what do you think? :-D