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Tri SLI with GTX 465

post #1 of 14
Thread Starter 
Hi I need some help. I need 6 video outputs for a simulator with multiple graphic outputs. So when I bought a new PC I went for 3 GTX 465 GPUs. I have a MSI X58A-GD65 motherboard and the 3 cards are packed pretty close to each other.

The CPU is well cooled with a H70 Corsair watercooler and I have the case completely open with 3 x 80mm fans and one large 120mm to cool the case.

The GTX 465s are MSI Twin Frozr type (not the ones that can be unlocked to 470s unfortunately). The stock cooling is not bad.

The problem I have is that when running in SLI (without overclocking anything) the center card gets very hot... sometimes up to 90-95 degrees Celcius. I have a 80mm fan blowing cool air directly onto the GPU stack.

I know nothing about GPU cooling and have recently bought a new PC so my budget is pretty limited.

Any advice?
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Little Dog
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post #2 of 14
Not much you can, unfortunately. You're limited by the slot spacing on the motherboard, and with three cards there's really no good way to space them that doesn't leave at least one card baking out.

Have you tried using a more aggressive fan profile?
Finally an update
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Finally an update
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post #3 of 14
90 - 95c is normal for these cards, they regularly go up to 100c without problems, try using something such as MSI Afterburner to turn up the fan speeds to 100% if you're worried about them.

Unfortunately the Twin Frozr II doesn't exhaust hot air and makes triple sli applications much warmer than ones in triple sli with stock heatsinks. You could either grab stock heatsinks for external exhaust, or go watercooling. External exhaust your not likely to get much lower on heat (465's are hot in general) so for dramatic cooling water would be your best case scenario, though virtually impossible if your budget is limited.

Last route you could go would be to sell the 465's and grab some AMD/ATI cards that support 6 screens.
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post #4 of 14
replace tim?
    
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post #5 of 14
Thread Starter 
If I decide to keep the cards...

(1) What watercooling would you suggest. I really have no experience with GPUs in this regard and plus/minus what would the cost be. I might manage it.

(2) And AyeYo - what do you mean with a more aggressive fan configuration? I already have the 120mm blowing cool air over the cards and a smaller 80mm doing the same at really close range. Then I have a front case 80mm bringing cool air down below and a 80mm fan on top bringing cool air in from top. The Corsair is set to blow hot air out of the case.
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post #6 of 14
Quote:
Originally Posted by jptheron View Post
If I decide to keep the cards...

(1) What watercooling would you suggest. I really have no experience with GPUs in this regard and plus/minus what would the cost be. I might manage it.

(2) And AyeYo - what do you mean with a more aggressive fan configuration? I already have the 120mm blowing cool air over the cards and a smaller 80mm doing the same at really close range. Then I have a front case 80mm bringing cool air down below and a 80mm fan on top bringing cool air in from top. The Corsair is set to blow hot air out of the case.
Set the videocard's fan to 100%
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post #7 of 14
Thread Starter 
iZZ I do that whenever I run a graphics intensive program and the temps average around 80-90 but the middle card like I said goes to 90-95. Never hit 100 yet
Little Dog
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Little Dog
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post #8 of 14
If you were to watercool all 3 GPU's it would probably cost $300 for blocks, $80 for 360 rad, $35 for pump and like $30 for fittings.

If you are going to watercool the gpu's you might as well do the CPU. so add in a CPU block for $65.
    
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post #9 of 14
Thread Starter 
Thanks Somenamehere... The CPU is watercooled
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Little Dog
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post #10 of 14
Quote:
Originally Posted by jptheron View Post
iZZ I do that whenever I run a graphics intensive program and the temps average around 80-90 but the middle card like I said goes to 90-95. Never hit 100 yet
Well you can try then replacing the TIM or add a side 120mm but there really isn't much you can do to improve the situation.
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AMD Heater
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CPUMotherboardGraphicsGraphics
i5 2500k 4,6Ghz Asus Maximus IV Extreme Palit GTX 560 Ti Sonic Gigabyte GTX 560 Ti Overclocked 
RAMHard DriveHard DriveCooling
8GB G.Skill Sniper 1886MHz Seagate 500GB and Samsung 500GB Samsung 840 SSD Corsair H50 
OSMonitorKeyboardPower
Windows 7 Ultimate 64-bit BenQ XL2411Z Steelseries Merc Stealth Nox Apex 800w 
CaseMouseMouse Pad
Antec Lanboy Air Logitech G400s Steelseries Qck Mass 
CPUMotherboardGraphicsRAM
AMD 955 BE Asus Crosshair Formula II nVidia GTX 260 Core 216 55nm Kingston DDR2 4GB 800Mhz 
Hard DriveOptical DriveCoolingOS
Western Digital 500GB Some cheap thing (at least it's black) Modded AMD Stock Cooler Windows 7 Home Premium 32-bit 
MonitorPowerCaseMouse
Some Samsung. Corsair CX600 NZXT Tempest A4Tech X7 
Mouse Pad
Bundled Black Ops Mousepad lol 
CPUMotherboardGraphicsRAM
Intel i5-4210H MSI MS-16GF GTX 850M 8GB DDR3 
Hard DriveOptical DriveOSKeyboard
WDC WD5000 HL-DT-ST DVDRAN GTA0N Windows 8.1 by Steelseries 
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