Artic Accelero 7970's barely fit in a HAF 932, but it's do-able..
Yes it's messy, I just threw them in because it was early in the morning by the time I was done. Gonna re-build the PC eventually haha.
The coolers weigh so much, that they needed to be cable tied to the motherboard tray and the bottom one cable tied to the top one to no warp them. They actually sometimes bend too much and stop displaying images if you don't..
The cooler itself, looks really good. Those fans are silent up to about 80-85% usage, that is on the desk right next to me though so your results may vary.
HIS 7950 IceQ Turbo PCB, notice how it's just not reference? It has an extra row of VRM's there, apart from some of the components being different brands etc they're pretty much the same and I'm fairly sure that a reference waterblock may fit the HIS if anyone is interested.
The reference 7950 PCB, note how it has less VRM's?
EDIT: Do note that the solder spots are there, so HIS did actually use a reference PCB.. Just added an extra row of VRM's.. Hmm interesting stuff.
All in all, I'm pretty happy. I must mention that the Sapphire (at stock) was throttling down to 850MHz as the power limit for it was way too low, I.E in kombustor it was running at 850MHz, not the advertised 925MHz. I fixed this by flashing a BIOS that I found on the TechPowerup BIOS database which had an upper limit of 286w (when +20% is used) in comparison to the stock 230w limit.
Both cards run that BIOS now, and run fine at 1100MHz @ 1.2v (1.56v - Stock) ran fine in benchmarks, but for BF3 stable it needed 1.2v. VRM's on the top card hit ~ 105c after 15 minutes of kombustor, but it'll never get that hot in games and I'm pretty happy with that either way.
Stuff runs smoother with the BIOS that has the upper limit, things again run smoother if both cards have the same BIOS because the memory will run at the same clocks and they just communicate better I think. I.E Both cards run at 98% usage for kombustor in sync, then will go to 99% in sync. With the old BIOS on the HIS it'd be sitting on 99% while the Sapphire was sitting on 97% for example.
Just a quick question: What is the best way to test a memory OC? I know generic stress testing wont as it only uses 200MB or less vRAM.