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Silverstone ML04B, can only use ONE 80mm fan. Exhause or intake?

post #1 of 3
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So I haven't built anything yet, but my ****ty mobo has a single 3 pin case fan connector so I'm gonna be using 1 80mm fan in addition to a Shuriken 2 Rev B cpu cooler. Additionally I'm using a psu with more than half of it's modular cables lost, so no molex to add more fans. The question is, looking at the picture above, you can potentially put the 80mm in 1 of 4 spots on the left side of the case. Where would you all suggest I put it and should I be intaking air or exhausting hot air? There will be a low profile gpu in there so expecting a bit of heat. That said, If I put the fan near the back with the cpu, gpu, and psu, won't it just be blowing air into wall that is the psu's side rather than the vent which is on the front side near the disk drive cage? If I put the fan near the front, will it even be worth doing if it isn't hitting the cpu, gpu, and psu (main heat contributors). This is why I was thinking of just using the fan as an exhaust to the left of the cpu and hopefully pulling out the hot air. Let me know if you've got a better solution, new to htpc case fan logic.
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post #2 of 3
Fear not! As long as you aren't running high wattage fans, you could use a 3-pin splitter to run a couple of fans off that one header.

If it were me, I'd start with an intake near the CPU to supply fresh air, and set up an exhaust fan blowing along your GPU, towards your WiFi NIC and the PCI vents. A PCI slot fan would be worth considering as well.

Alternatively, is it possible to cut a fan hole in the cover panel? That would give you more flexibility to try out different intake/exhaust scenarios.
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post #3 of 3
1st thing to do is remove the asterisks from your above post. If a mod see them or someone what to cause trouble you will get an infraction for profanity. Stupid forum rules. rolleyes.gif

To cool components properly case must flow at least as much air as components. If case does not, the components have to re-use their on heated air .. and every degree warmer the air going into component cooler is means a degree warmer the component is.

Problem is many cases have little or no airflow logic involved in design .. leading me to believe few if any designers understand the importants of airflow or how important it is to component cooling. mad.gif

Silverstone is better than many others.

I would put 4x 80mm exhaust fans on right side of case. This will draw air in the vent over CPU and other vent areas in case. Using 4 fans means they don't have to spin near as fast as 1 or 2 fans would need to for same amount of airflow, which means less noise. Be sure the air coming out of them can flow away from case without any obstructions causing it to turn and flow up, down, and then back over case to be drawn back into case. I know this may not be easy .. depending on where you plan to put your HTPC.
Edited by doyll - 2/26/16 at 2:17am
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