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I ended up going push pull on the two fan radiator with a couple silent tornados (cant remember the name but the ones that get good reviews 1450rpm push and one of the swiftech fans in pull. The pull is thermostat switched along with a bunch of case exhaust fans with the temp sensor on the gpu...

OK thanks for the reassurance. I am definitely on the "let it roll" plan today also. Maybe I need some quieter fans; the ones with the kit looked pretty basic. Just checking my home machine now- - so far the CPU is hovering around 80 fully cranked up; for some reason it posted an 84 max on...

I just put "Core Temp" on my windows desktop. This morning with about 22deg ambient the highest core is at 77 deg C with all eight cores at 3.6Mhz 100% all night and the Tesla grinding away at 40 deg C on my poor man's temp sensor. So there is a big difference btw what software reports from...

Ya modguy read the thread it's all there. No temp sensor. Go fish. Personally I think it doesn't matter though; once you put a waterblock on there all you need is a water temp sensor. I am going to either get one and screw it into a free port, then use that to power the fan, or use the PWM...

I should have put some valves in but whatever - it is all bolted together now. The best part is being able to bolt the water block directly onto the GPU plate using the same four screws/springs/holes. The 3/4" hoses rub on the black heat plate a bit, and it is a bit tight so no compression...

Long story short I went with the following: koolance GPU-210 Swiftech H2O-220 Edge HD The koolance block is smaller than the heat spreader on the GPU, but it seems to work anyway. Bolt on to existing heat sink mounts; I used the old screws. Runs about 45 deg on nbody simulation now fullscreen...

If you are in CUDA mode for most of your analysis running 25% CPU load, why upgrade the processor? Just curious.

PS on my card looking at the heatsink side far up near the left upper corner there is a two-pronged jack that is very similar to the jack for my thermocouple attachment on the fan controller. It does not look like a fan power jack; no 3rd or 4th pin or space for same. Any ideas what the jack is...

Good news on that aircooler! Part of me didn't want to drill that plate out because I figured they used eight screws for a reason (to hold it to the pcb). But I'm sure it will be fine. For temp readout I jammed a thermocouple from the Coolerguys $50 fan controller down beneath the heatsink...

Well, results with the 9cfm squirrel fan were predictable: quiet but hot. I turned it off at 90 degrees on the .nbody simulation. I have to say that test would make a hell of a screensaver - 225 watts be damned. Tech support at Swiftech says the MCW82 is not compatible, which just means they...

The MCW82 is going to hit the little elevated nubs on the black heat plate (the elevated mounting holes for the heat pipe screws) before the water block contacts the GPU. It is going to be hard to mount the block using these 50mm holes because they land right on the edge of the water block. You...

This is a server card. We are using it off label as a desktop device.

Photo with spreader plate in place, sink removed. Sink mounts to four inner holes on 50mm centers. mcw82 8-series mounting bracket matches corners of outer bolt pattern on 58.4mm centers.

Took mine apart tonight. I think you will need the 8-series mounting bracket with 58.4mm hole spacing. If you are keeping the spreader plate it gets a bit more complicated, as the block mounting screws first have to pass through the backing plate, the PCB, then that spreader plate (it is...

That sounds smart. Once the existing sink is removed, it is no more work to put a water cooled system in place, and it conserves space, uses existing fans well, and is quiet. I have been looking at the aftermarket air coolers again today and none will fit my motherboard along with the existing...

The arctic unit is definitely high capacity, but it is PWM. I think most graphics cards have a PWM out jack regulated by GPU temp. So far, I have not seen a jack like that on an M2090 and have reason to believe there is no temp sensor on the card. so... you would need a separate fan...

Is this basically a bolt on deal or what? Anybody know the M2090 gpu bolt pattern? I haven't pried my case off yet to check. I think I saw it posted somewhere so I'll do another search.

Ha! Thank you for that. It seemed like a lot of airflow (!) At least the error was in a conservative direction...so ambient is 24degC, which means a maximum usable temp differential of 65degC - gulp! The good news is, the hotter it runs, the less cfm are required to cool it. I take your...

It looks like I need about 30cfm to maintain a difference of 15 degrees btw inlet and outlet at 225W, sea level, 50% humidity. Micro fans are looking inadequate at 9cfm, unless I can run four of them somehow. All the squirrel cages that blow that kind of volume are over 50db, as are the motors...

This is a closed equation system. I know the card draws 225W. Max temp is 90. Ambient air is 70-75. How much air flow do I need to dissipate 225 joules? Time cancels out and the answer should be in cubic meters (per sec) Need to know heat capacity of air I guess.