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Windows 7: PC tower PSU top or bottom?


07 Nov 2011   #1

Windows 7 64Bit Ultimate Edition SP1
 
 
PC tower PSU top or bottom?

I have a Xigamatek CPC-T45UB-U01 Asgard Chassis tower where the PSU is a top mount.

https://www.amazon.co.uk/Xigmatek-CP...0680271&sr=8-3

Does it make a big difference when the PSU is mounted at the top or bottom?.

I really need to know as i have just purchased a new mb, i was also thinking of purchasing a case with a bottom mount for a psu.

I need to hear some info before i make my mind up.

As always, i appreciated the advice.




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07 Nov 2011   #2

Windows 7 64Bit Ultimate Edition SP1
 
 

I can always mod the the case, adding a new hole on the top in the centre for a fan.
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07 Nov 2011   #3

Windows 7 Ultimate x64, & Mac OS X 10.9.2
 
 

Having a bottom mounted psu is only good if you can mount it fan down (most modern cases have a hole and dust filter at the bottom)

If you mount it fan up its going to be sucking all the hot air from your GPU(s) making it warmer lol

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07 Nov 2011   #4

Microsoft Community Contributor Award Recipient

Windows 7 SP1, Home Premium, 64-bit
 
 

Quote   Quote: Originally Posted by YTBOY83 View Post
I have a Xigamatek CPC-T45UB-U01 Asgard Chassis tower where the PSU is a top mount.

Does it make a big difference when the PSU is mounted at the top or bottom?.
The trend in the last few years is toward bottom mount, but I certainly would NOT buy a new case just for that. Top and bottom mount both have advantages.

If you like your case, stick with it.
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07 Nov 2011   #5

Windows 7 Ultimate x64 SP1
 
 

It doesn't matter, as long as the intake fans aren't blocked, and the exhaust is vented directly out of the case.
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07 Nov 2011   #6
Microsoft MVP

Windows 7 Ultimate SP1 X64 (Windows 10, 8.1, Linux Mint, Windows XP and others in VM)
 
 

There are pros and cons both ways. I prefer a bottom mounted PSU, as heat rises and can be sucked out by the top fans.
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08 Nov 2011   #7

Windows 7 Home Premium 64bit
 
 

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08 Nov 2011   #8

Microsoft Community Contributor Award Recipient

Windows 7 64 Bit Home Premium SP1
 
 

IMO it doesn't matter - top or bottom - BUT the case has to be designed for it.

I would strongly advise against altering a top mounting designed case to put the PS in the bottom. You may be building an Easy-Bake oven!
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08 Nov 2011   #9

Windows 7 Pro 64
 
 

My new box uses the bottom location for the PSU (in win BUC) It's on my desk.. if it had of had to go on the floor, I would have purchased a top mount
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08 Nov 2011   #10

Win7 Pro 32-bit, Win8 Pro 32-bit
 
 

I have both kinds -- and the case with the bottom-mounted PSU has a partition above it, blocking the heat from escaping into the case. I also has a fan in the front bottom of the case, so that air comes in the front, passes through the PSU, and goes out the back.

So basically, if you buy a bottom-mount PSU case, ensure that the heat from the PSU doesn't exhaust into the body of the case.
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 PC tower PSU top or bottom?




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