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PSU upgrading for Inspiron?

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August 1, 2010 12:14:21 AM

So I've recently been given a Dell Inspiron 580 as a birthday present. It came with a 300 watt ATX PSU, and therefore it's impossible for me to switch to a new graphics card [The GeForce 310 sucks so bad]
I've contacted the Dell Support System, and asked if it's possible to switch the current PSU to another one, and they said "400 watt is the limit replacement for the Dell Inspiron 580", although it's unclear whether that "limit" came from the Dell upgrading policy, or it's true that the Inspiron 580 can only handle up to 400 watt PSUs [which sounds strange to me]
So can anybody tell me if it's OK to get a stronger PSU than the "400 watt limit" from Dell? And if it's so, which PSU would you recommend?
Thanks really much.

More about : psu upgrading inspiron

a c 139 ) Power supply
August 1, 2010 12:18:47 AM

Might be that Dell's top replacement PSU is 400w?
Otherwise your system won't care if you have a 400w or 800w PSU. It will still only take the necessary amount of power it needs. You will have to worry slightly about the size of the PSU.

What do you need to provide power for?
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August 1, 2010 12:22:07 AM

So that I can switch to a new graphics card.
Screw GeForce and its rebranded 310 [boo] :( 
[what kind of card that can't handle AC2 on all lowest settings?]

But yeah, my 9600GT has been under the dust for a while now, and I also wanna change to better cards.
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a c 139 ) Power supply
August 1, 2010 12:27:17 AM

9600GT will be a nice upgrade from a Geforce 310.

Here is a good deal on a PSU that has plenty of power: Corsair 400cx $30 after rebate
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August 1, 2010 12:31:25 AM

Actually I'm thinking of the OCZ ModXStream Pro PSU [if it fits of course], wanna see if there are more choices for cards.
Wanna change to something new, apart from Nvidia, probably an ATI.
Possible?
I have an i3 Proc.@ 2.9GHz [4CPUs] with 8gb RAM.
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a c 139 ) Power supply
August 1, 2010 12:33:11 AM

ghost521 said:
and I also wanna change to better cards.
Have you got your eye on any specific future upgrade card?
If you're thinking GTX 460 we probably want to go for something in the 500watt range.
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August 1, 2010 12:36:53 AM

WR2 said:
Have you got your eye on any specific future upgrade card?
If you're thinking GTX 460 we probably want to go for something in the 500watt range.

Probably some in the ATI Radeon HD 5xxx line.
I was recommended the 5670 and the 5770.
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a c 139 ) Power supply
August 1, 2010 12:41:46 AM

A HD 5670 is too close in performance to a 9600 GT to be much of an upgrade.
What size / resolution monitor are you using?
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August 1, 2010 12:42:49 AM

1440x900
I'm switching to a larger one though.
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a c 139 ) Power supply
August 1, 2010 12:47:31 AM

Here is a comparison of different gaming benchmarks that show the HD 5670 and 9600GT

And a similar set of gaming benchmarks for HD 5770 $150 and GTX 460 $220 (ok, so there are a few other cards shown too)
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August 1, 2010 12:54:18 AM

A Geforce 260 core 16 would be nice.
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August 1, 2010 12:57:05 AM

Ok, so that's all set.
now we only have to check if it fits the darn case.
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a c 165 ) Power supply
August 1, 2010 1:03:32 AM

ive seen people place the corsair HX620 in their DELL mini-towers. you should be fine with just about any 400-600w ATX PSU.
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a c 139 ) Power supply
August 1, 2010 1:03:49 AM

Check the length of your current PSU and estimate how much room is left between the PSU cables and the DVD drive cables.
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a c 139 ) Power supply
August 1, 2010 1:13:21 AM

Your Dell PSU is probably 5.5" long. The OCZ Fatal1ty OCZ550FTY 550W is 6.3" long and both OCZ ModXStream Pro are 6.5" long.
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August 1, 2010 1:14:52 AM

Hurray, so them OCZ babies won't work.
Then it's down to the Corsair PSU then. How long can it be?
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a c 165 ) Power supply
August 1, 2010 1:18:48 AM

the dell psu are 5.9 x 3.4x 5.5

i have one in my garage collecting dust
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a c 139 ) Power supply
August 1, 2010 1:26:06 AM

Antec NEO ECO 520C 520W $60 is 5.9" long. I think that should fit.
It also has a +12v 40amp rating which is excellent.
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August 1, 2010 1:29:12 AM

Ohgod, thanks for all these tips guys.
My uncle is a techie, but he's really not that.....how can I say.....he just WON'T let me build stuff.


"Buying this is all you need."
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a c 139 ) Power supply
August 1, 2010 1:31:26 AM

I just saw an interior shot of an Inspiron desktop and it looks like a 6.5" PSU should fit. There was a fair amount of space between the PSU cables and DVD burner cables, maybe as much as 3" inches.
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a c 165 ) Power supply
August 1, 2010 1:31:30 AM

WR2 said:
Antec NEO ECO 520C 520W $60 is 5.9" long. I think that should fit.
It also has a +12v 40amp rating which is excellent.


also a good PSU, its based of the seasonic 520w. i think they cut back on some of the parts but still a very good PSU for the price
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a c 165 ) Power supply
August 1, 2010 1:32:59 AM

WR2 said:
I just saw an interior shot of an Inspiron desktop and it looks like a 6.5" PSU should fit. There was a fair amount of space between the PSU cables and DVD burner cables, maybe as much as 3" inches.


like i said, ive seen the 620w corsair units in there. i have an older DELL case around but i never tried to put my corsair in it. im pretty sure it will fit though.
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August 1, 2010 1:55:11 AM

WR2 said:
I just saw an interior shot of an Inspiron desktop and it looks like a 6.5" PSU should fit. There was a fair amount of space between the PSU cables and DVD burner cables, maybe as much as 3" inches.

So I guess the OCZ dream is still at hand?
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a c 139 ) Power supply
August 1, 2010 1:59:28 AM

I think so..... I can't find out how long a Corsair HX620 actually is but its got to be close to the 6.5" of the modular OCZ Modstreams.
I think you have a green light to choose anything mentioned so far.
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August 1, 2010 2:02:09 AM

WR2 said:
I think so..... I can't find out how long a Corsair HX620 actually is but its got to be close to the 6.5" of the modular OCZ Modstreams.
I think you have a green light to choose anything mentioned so far.

Dimension: 5.9"(W) x 3.4"(H) X 5.9"(L)
150mm(W) x 86mm(H) x 150mm(L)
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a c 139 ) Power supply
August 1, 2010 2:05:00 AM

I just found that myself. 5.9" and 6.5" - not much difference.
Have you taken a peek inside your Dell Inspiron 580 to check and see if they're doing anything different in there, and that you still have about 3" free space?
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August 1, 2010 2:06:12 AM

WR2 said:
I just found that myself. 5.9" and 6.5" - not much difference.
Have you taken a peek inside your Dell Inspiron 580 to check and see if they're doing anything different in there, and that you still have about 3" free space?

I have to check back on Monday.
I'm currently a 6-hour drive away from my desktop.
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a c 139 ) Power supply
August 1, 2010 2:11:35 AM

I feel pretty good about giving you the go-ahead to order now if you want.

This is the interior of a Dell Inspiron 530:

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a c 139 ) Power supply
August 1, 2010 2:13:59 AM

Nice find. That looks about 3" to me.
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