just had a novel idea for a new PSU & case configuration ^^ - Overclock.net - An Overclocking Community

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just had a novel idea for a new PSU & case configuration ^^

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post #1 of 20 (permalink) Old 02-12-2019, 09:34 AM - Thread Starter
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just had a novel idea for a new PSU & case configuration ^^

so as we know so far PSU have 2 orientations possible:

1) PSU fan facing downward & pulling air from beneath the case - this has some drawbacks & potential risks (dust clogging up the filter under the case thus overheating etc. not to mention if there's not enough space under the case for proper airflow, necessary to maintain the filter under the PSU regularly which for many ain't practical cause you've to lift the case)

2) PSU fan facing upward - could solve the above problem but then creates more risks: while working in the case anything (screw etc) can fall into the PSU through the grid & good luck getting it out easily, have to unmount the PSU etc.



so, here's my novel idea: what if the PSU were at the top of the case (with fan facing downward of course) instead of at the bottom as current convention has it? this would solve all aforementioned problems plus the PSU fan would act as another exhaust for the case (since heat rises)

and as a bonus cable management would be a LOT easier: the bulky 24 pin cable & CPU cable would be closer to the connectors on the mobo (other cables tend to be flat nowadays so no biggie)

awesome idea huh? ^^
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post #2 of 20 (permalink) Old 02-12-2019, 10:02 AM
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I'm not a Product Designer, Computer Engineer (Hardware), or really anyone with enough knowledge to confirm the reason why that would not work.

Just an FYI: If you look at any prebuilt OEM computer from a larger manufacturer (E.G. Dell) this is in fact the configuration they use. PSU up top.

Example: Dell XPS 2006 & Dell XPS 2017

The only reason I would advise against it, is due to increased thermal load put onto the PSU. As any internal heat generated by the CPU, GPU, and Motherboard would be intaked into the PSU. Which is really the life / blood of your entire computer system.

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post #3 of 20 (permalink) Old 02-12-2019, 10:16 AM
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Almost all cases up to about 10 years ago had the PSU at the top before everyone switched to having it in the bottom
Its not a new idea its an ancient one dug up from its tomb

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Last edited by shilka; 02-12-2019 at 01:01 PM.
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post #4 of 20 (permalink) Old 02-12-2019, 11:06 AM
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It does kind of make you wonder why most motherboards are still designed like the PS is at the top of the case requiring long power supply cable runs on larger cases.

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post #5 of 20 (permalink) Old 02-18-2019, 06:40 AM - Thread Starter
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Quote: Originally Posted by pgdeaner View Post
It does kind of make you wonder why most motherboards are still designed like the PS is at the top of the case requiring long power supply cable runs on larger cases.
exactly (btw is that ur pup in the avatar?)

Quote: Originally Posted by shilka View Post
Almost all cases up to about 10 years ago had the PSU at the top before everyone switched to having it in the bottom
Its not a new idea its an ancient one dug up from its tomb
damn I didn't know
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post #6 of 20 (permalink) Old 02-19-2019, 07:42 AM
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There is also the option of installing it sideways on some double wide cases. My Case Labs M8 has this orientation. I mount it so the fan is facing the side door
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post #7 of 20 (permalink) Old 02-19-2019, 08:42 AM
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Yep. That's Molly the dog that overclocks on milk-bones.

Quote: Originally Posted by pulverizor View Post
exactly (btw is that ur pup in the avatar?)

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post #8 of 20 (permalink) Old 02-19-2019, 10:01 AM
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Heat only rises if the air is still. Any amount of intake/exhaust is enough to negate that behavior. Personally I'd prefer having it at the bottom simply becasue an air cooler and the PSU would make it super top heavy.
Also this would disrupt the visible RGB and 240mm AIO trend by blocking the rear of the case at the top so it's not going to happen in today's market.

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post #9 of 20 (permalink) Old 02-19-2019, 11:39 AM
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I have mine in the orientation you describe in my SM8s. Is it any better? Probably not but I like the way the cables look going to them. The downside is the giant power cable coming out of the back from so high up. The cable from the eVGA 1600W T2/G2 doesn't like to bend much.

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post #10 of 20 (permalink) Old 02-19-2019, 11:42 AM
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Quote: Originally Posted by shilka View Post
Almost all cases up to about 10 years ago had the PSU at the top before everyone switched to having it in the bottom
Its not a new idea its an ancient one dug up from its tomb
Hah, the first thing I thought when seeing this was "Now I know ive been doing this to long, these guys don't even know..."
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