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7970's in CF

If you were to go the water route, make sure your gpus aren't too long. You can fit in a magicool 2x180 rad in the ft02 (or 3x180 if you drill out the hdd cage).

I can't because the ltgs don't leave enough clearance for the rad.

For air, reference is the safe bet but other coolers may be fine.. it's hit and miss.

there's no issue with recirculating hot air, it's all forced out the roof, particularly on the vents beside the pci brackets.
 
OptimaLnrg said:
If you were to go the water route, make sure your gpus aren't too long. You can fit in a magicool 2x180 rad in the ft02 (or 3x180 if you drill out the hdd cage).

I can't because the ltgs don't leave enough clearance for the rad.

For air, reference is the safe bet but other coolers may be fine.. it's hit and miss.

there's no issue with recirculating hot air, it's all forced out the roof, particularly on the vents beside the pci brackets.
Click to expand...

It seems that the PCB is 10.5" long and the magicool rad is about 1.4" thick. There is about 12" clearance in the case so that would leave a 0.1" clearance. I'd need to remove the air filters from the bottom, which would give me a bit more clearance so it could work.

Just realised, will the AX850 be enough to power two 7970s?
 
Yep that PSU is fine :) If you switch to another CPU like the 3930K and go for massive Overclocks on the GPUs and CPU, you may need to think about upgrading the PSU.
 
There's a mod guide on yt from TTL about watercooling in a fortress 2 / raven 2.

I agree with him that removing the sliding brackets and filters is a bit meh. Imo it's a brilliant feature. This pc is so dust-free it's unreal lol.

Without doing that though I don't think you'd fit ltgs in (is that the card you're looking at?) The pcb will be scraping on the rad. From what I've measured here I don't have enough clearance at all.

Half-tempted to sell my 680s and buy ref 7970s + heatkiller blocks/backplates.

lawd.. heatkiller blocks/backplates are gawjus.
 
OptimaLnrg said:
There's a mod guide on yt from TTL about watercooling in a fortress 2 / raven 2.

I agree with him that removing the sliding brackets and filters is a bit meh. Imo it's a brilliant feature. This pc is so dust-free it's unreal lol.

Without doing that though I don't think you'd fit ltgs in (is that the card you're looking at?) The pcb will be scraping on the rad. From what I've measured here I don't have enough clearance at all.

Half-tempted to sell my 680s and buy ref 7970s + heatkiller blocks/backplates.

lawd.. heatkiller blocks/backplates are gawjus.
Click to expand...

If I were to remove the fan filters then I'd look to put some magnetic filters at the bottom, on the outside.

I'd probably look to get some reference cards and run them on air for now and then maybe add the watercooling later. That's if the clearance inside the case allows it, which I don't see why not if I remove the fan filters.
 
Why Two?

A single 7970 will run games perfectly, adding a second will just add unwanted microstutter.

On All ultra on BF3 on 2560x1600 my single 7970 does 55Fps
 
Don't buy reference they are so noisy I have a gigabyte windforce 6970 and its fine in my raven 3 upside down low temps I agree I'd only xfire 2x 7970 if you watercool them
 
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I will be watercooling them sometime down the line and intend to keep them on stock clocks on air.

I've heard that the Windforce X3 has problems with the vertical orientation, due to the fins on the heatsink being perpendicular to the input fans.
 
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