Newly SLI'd runs painfully hot...

When I first built my rig (see Sig), the budget only let me get one graphics card (and not the top of the line kind), so I went with the ZOTAC ZT 50401-10L. Great card for the price IMO, so when newegg had it for $105 a week or so ago PLUS a $30 MIR, I jumped on it. Set up SLI, everything performance wise was great. Except...

My Motherboard only supports SLI on the Top 2 PCIe Slots (Images in Next Post), which makes the 2 video cards touch (as in make physical contact). After an hour of gaming I checked the GPU temps. Bottom card was around 60 degrees Celsius, but the top card checked in at a whopping 91 degrees C (approx 196 degrees F). I pulled an 80mm Antec fan that's probably AT LEAST 10 years old from an ancient rig just to test a theory.

I zip-tied the fan to blow as much as possible through the top (and bottom, but priority is top), and GPU-z reported it dropped to 84-85 degrees C under load (I left the system OFF for about an hour to cool between tests)

Given the results, I was going to buy an 80mm fan and attach it in a less jerry rigged fashion, as well as add another 2 case fans to have the most airflow possible... I was wondering if anoyone had similar problems and came up with a different solution (or tried my idea and had it work terrifically/fail horribly).

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  1. Motherboard

    PCI Slots

    My Rig

    From Above

    From Below

    Flickr Sucks... is a link if they don't work here...
  2. I didn't think it could get that hot until I checked it. Turned off PC ASAP and touched the top of the top board in disbelief (it was hot, bad idea in retrospect).

    I ordered a 200mm fan cuz the case has a mount for a 200mm in the left side panel, plus 2 120mm fans (one for bottom of case to pull in more air, one to put on side of HD rack to blow on front of cards). is that doesn't keep it cool, I'll just buy a walk in freezer and set it up in there.

    CoolerMaster 200mm Red LED fan
    CoolerMaster 120mm Case fan x2

    Thanks for the advice recon :D
  3. Best answer selected by manicmike.
  4. Quote:
    Wow your running way hotter than my 480's, how is that even possible :o
    Have you checked you have enough airflow from front to back of the case?
    Also a 120mm fan pointing directly at the side of the gpu's will drop temps, if you have a 120mm mount on your side panel.

    BTW i like your motherboard, nice taste ;)

    Amazing your still here after all the trolling you do.
  5. It was him recon-uk , and now he has been banned for a year.Keep your cool and stay on topic in the threads.
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