Originally Posted by windfire;12772539
As the 2nd 3-slot Asus GTX580 will come next week, perhaps you can prepare ahead:
1. Avoid conflict with mobo headers
Do a mockup by moving the current GTX580 to the lower white PCIEx16 slot to check if it interferes with the USB headers/cables and Front Panel I/O header as shown in the red circles in the pic below. My experience says it will bisect exactly half of the width of the headers. So, you might want to do some adjustments there now. See the two circles in pic 1.
2. Avoid air competition with PSU
The bottom card will be very close to the Corsair HX850 (or Enermax Revolution 1050). The 2 intake fans of this card will compete for intake air with the intake fan of the PSU. So, perhaps it is better to flip the PSU so that its intake fan faces south. As your Storm Scout has bottom vent openings for this purpose, this should not be a problem unless your case sits on a carpeted floor.
3. Thermal management of the 2 cards
Relative small case (Storm Sniper) + no empty slot between cards (Asus P8P67 Pro) + 3-slot cards with unorthodox cooling (Asus GTX580 DirectCU) = big thermal management challenge!
I predict the biggest challenge comes from the fact that the Asus GTX580 exhausts its hot air in all 4 directions via top + bottom, front + rear (as the fins are oriented vertically, intake air will go through them and then exhaust out relatively more via the top and the bottom). See pic 2. In such confinement, undesirable air recirculation (hot exhausted air being sucked back by the intake fans) could happen.
This means the traditional solution of using a side panel fan and/or a fan located to the back of the HDD cage to push air into the gaps should be used very cautiously. Such fans can push air into the gaps but can also push the exhausting hot air back into the cards.
(Perhaps using a self-made air funnel as in pic 3 might help)
If it were me, I would have taken 2 reference GTX580s for its 2-slot and rear exhaust design.
Some valid points.
The power supply is oriented downwards.
The Sniper comes standard with a 200mm door fan and I added another 140mm intake fan mounted to the floor of the case. It pulls exterior fresh air in and blows it straight up towards the video cards. I also removed the hard drive cage so the front 200mm fan has unimpeded airflow straight to the gpu area (eventually) as well.
I have reference 580's and wanted to try something a bit different.