Power Supply Upgrade

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wakkoguy

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Feb 10, 2003
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I have a dell 8300, i need a new power supply in order to run my radeon 9800 pro. What is good to buy, as you can see at www.poorreflection.com/Rahul/PC
I can't have a power switch unless i mod the back of my case ( i have no clue how to do that, so if someone knows how i would love to learn)

Does anyone know where I can get some PSUs without a power switch that would fit my computer?
 
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Zepper

Elite Member
May 1, 2001
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A nibbler is a hand tool for cutting metal (little bits at a time) - Radio Schlock usually has them - about $10.
. Actually it looks like you might be lucky and have one of the ones with a standard ATX connector there. In your case, the dimensions might be the bugaboo.

. Please take the HxWxD measurements and post them here (looks like it might be a bit shorter than a standard ATX PSU).

.bh.
 
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wakkoguy

Member
Feb 10, 2003
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Originally posted by: Zepper
A nibbler is a hand tool for cutting metal (little bits at a time) - Radio Schlock usually has them - about $10.
. Actually it looks like you might be lucky and have one of the ones with a standard ATX connector there. In your case, the dimensions might be the bugaboo.

. Please take the HxWxD measurements and post them here (looks like it might be a bit shorter than a standard ATX PSU).

.bh.
Click to expand...

3.4x5.9x5.5 (not sure about which is w or d)
http://www.newegg.com/Product/Product.asp?Item=N82E16817153006
here is the psu i was looking at. I couldn't find the size of it.
i talked to Dell and it is a standard ATX so I could buy a retail psu
thanx
 
Z

Zepper

Elite Member
May 1, 2001
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Well, that's a standard sized PSU so you will just have to nibble out a switch hole or buy an IP PSU (used on servers as the PSUs for a bunch of PCs would be plugged into a power panel and centrally switched from there. And always when talking Dell, make sure the pinout is standard - you can find the standard ATX pinout on http://www.formfactors.org. IDK what happened to ff.o but their page isn't coming up right now. Here is a link to a diagram on PCP&C's site: ATX diagram.

.bh.
 
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wakkoguy

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Feb 10, 2003
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Thanks for your help, I think I am going to buy a regular psu. What is a good one? What do you think about the one I mentioned previously
also what are IP PSUs what are the difference?
 
Z

Zepper

Elite Member
May 1, 2001
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IP (Industrial Products) PSUs just don't have a switch. Quite a few Fortron/Sparkle PSUs can be ordered either way, the same with Zippy PSUs.
. That TT PSU is OK. If I was buying today and had to shop in that price range, these are the ones I'd also be looking at: http://www.newegg.com/Product/Product.asp?Item=N82E16817101601
http://www.newegg.com/Product/Product.asp?Item=N82E16817182008
http://www.newegg.com/Product/Product.asp?Item=N82E16817182013
The Rosewills are made by ATNG/Coolmax and aren't bad units and they sell them for less than the ones under Coolmax's own name.
http://www.newegg.com/Product/Product.asp?Item=N82E16817104114

But if I had a little extra money, the XClio 400 or 450 would be at the top of my short list.
XClio

.bh.
 
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wakkoguy

Member
Feb 10, 2003
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thanx a bunch for your help, last question (i hope) before I finally buy,
I am going to use a nibbler to mod the back of my case (hopefully it will work)

but are two fans better than one on a psu and is it better to have one that points out the back or down (if only getting one)
 
Z

Zepper

Elite Member
May 1, 2001
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You want your PSU to provide an airflow path as close to the original equipment as possible. That is part of the cooling design of those cases. One fan or two doesn't matter. I expect that all the air should be going out the back - so you want the majority of the intake to be on the same side of the PSU as the OE was. So while you are nibbling, you may want to even totally invert the PSU mounting to match the airflow pattern of the new PSU.

.bh.
 
W

wakkoguy

Member
Feb 10, 2003
117
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76
Originally posted by: Zepper
You want your PSU to provide an airflow path as close to the original equipment as possible. That is part of the cooling design of those cases. One fan or two doesn't matter. I expect that all the air should be going out the back - so you want the majority of the intake to be on the same side of the PSU as the OE was. So while you are nibbling, you may want to even totally invert the PSU mounting to match the airflow pattern of the new PSU.
Click to expand...

Well I have a dell and the 250w psu is just pointing out, so should i get a fan that just is going out the back or should i get one that has two fans (one on the bottom and on out the back)?
What do you mean by inverting the mounting? (my pc is at http://www.poorreflection.com/Rahul/PC)
 
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