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Can Arctic Freezer 11 LP cooler fit into ASRock B75M-DGS motherboard?

Last response: in Overclocking
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February 3, 2014 10:12:55 AM

I have the ASRock B75M-DGS micro-ATX motherboard and installed the Intel Core i5-3470 processor. I'm not overclocking; I can't anyway with this processor. But because I'm using the Fractal Design Core 1000 micro-ATX casing, the temperature inside the chassis is rather hot and the CPU temperature at 41-49 °C after a few hours of normal PC work. I also have a Radeon HD 6850 graphics card which runs at 55 °C connected to two 23" monitors on extended desktop mode. The casing comes with one 120mm fan spinning at 1200 RPM.

The problem is the Intel stock cooler fan is very loud when spinning at full speed of 3100 RPM when I play the occasional games like Sims 3. The graphics card's cooling fan also spins full speed at 3400 RPM very loudly when temperature reached as high as 71 °C (I found out that this is normal for Radeon HD 6850). I can't do anything to the graphics card. But I can change the CPU cooling fan, so I've selected the Arctic Freezer 11 LP since it is low cost solution for non-overclocking and occasional gaming usage. At full loads, the Arctic Freezer 11 LP will still be quieter even when the cooling fan is full speed at 2000 RPM. I'm going to buy it together with an additional Arctic Cooling F9 92mm fan to use as rear exhaust for the casing.

Will this Arctic Freezer 11 LP cooler fit into the ASRock B75M-DGS motherboard? I was hoping someone would have used this combination, because I read elsewhere about obstructions with the DIMM slots and PCIe graphics card. This motherboard only has two DIMM slots and I installed 2x4GB memory so I can't remove one stick to fit the CPU cooler. Anyone knows if it will fit?
a b K Overclocking
a b V Motherboard
February 3, 2014 10:48:56 AM

Ok, this cooler WILL interfere with the RAM slots on your motherboard. What case do you have? another good alternative is the coolermaster 212 evo
http://www.newegg.ca/Product/Product.aspx?Item=N82E1683...
this is a more upright cooler, and won't interfere with RAM slots

If you ony have one stick of ram, then you can put it in the furthest slot and still be fine with the arctic freezer cooler, but if you have 2 sticks of ram, you will not be able to use it
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February 4, 2014 6:05:55 AM

Brantyn Gerik said:
Ok, this cooler WILL interfere with the RAM slots on your motherboard. What case do you have? another good alternative is the coolermaster 212 evo
http://www.newegg.ca/Product/Product.aspx?Item=N82E1683...
this is a more upright cooler, and won't interfere with RAM slots

If you ony have one stick of ram, then you can put it in the furthest slot and still be fine with the arctic freezer cooler, but if you have 2 sticks of ram, you will not be able to use it

Thanks! I quickly cancelled the order and will need to do some more measurements after gathering all the technical drawings from the manufacturer site. Since I'm not overclocking, maybe I will stick to the Intel stock cooler although I find the fan rather noisy when CPU is fully stressed and fan spinning 2800-3100 RPM.

If I install an efficient cooler like the Cooler Master 212 EVO, at full loads the CPU is still drawing the same power. But the core temperatures are lower. Does that mean that the interior of my casing will be cooler? I'm going to add a 92mm exhaust fan for this Fractal Design Core 1000 micro-ATX casing.
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a b K Overclocking
a b V Motherboard
February 4, 2014 8:30:41 AM

no. by law, the more heat you take away from your actual processor, the more heat will be in your case, as your processor and gpu are what gets hot. BUT this heat is much less concentrated, and so does not cause problems like it does if it is isolated within your processor (actually causes damage that way). This is the way coolers work. the bigger the cooler usually, the more heat it will be able to radiate in total away from your processor. The heat becomes so spread out however that it is no longer harmful, and exhaust fans are always a good idea, as well as more intake fans. I wouldnt overclock too far if you don't have at least one intake fan and one exhaust fan on your case.
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