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Dell Optiplex PSU replacement for a GPU

scollins12343
By scollins12343
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I have a Dell Optiplex 3020 that I'm upgrading as a sleeper PC but the current PSU doesn't have a PCIE connector for the RX 580 8GB i've brought. the only issue is the motherboard has an ATX 8 pin power input that has 'P1' on it, the other CPU power plug is a 4 Pin port. my thinking is that ill need to get an adapter for 20 pin that comes in standard PSUs on the market. Does anyone have any idea what I need? needs to be 550W minimum I think.

 

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Personally, if you're upgrading it as a sleeper PC, I would have started with the motherboard/CPU. This would have ensured compatibility for anything else you want to add down the road.

 

It looks like a standard mATX board will fit in the case, luckily enough.

Quote or tag me( @Crunchy Dragon) if you want me to see your reply

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2 minutes ago, Crunchy Dragon said:

Personally, if you're upgrading it as a sleeper PC, I would have started with the motherboard/CPU. This would have ensured compatibility for anything else you want to add down the road.

 

It looks like a standard mATX board will fit in the case, luckily enough.

is there no way i can use this motherboard??

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Just now, scollins12343 said:

is there no way i can use this motherboard??

An adapter might work, but if the CPU only needs 4 pin power, it's probably not worth using in a sleeper rig anyway.

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1 minute ago, Crunchy Dragon said:

An adapter might work, but if the CPU only needs 4 pin power, it's probably not worth using in a sleeper rig anyway.

so would you suggest just getting a mATX board and a new mother board?

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Just now, scollins12343 said:

so would you suggest just getting a mATX board and a new mother board?

Yeah, upgrade the CPU and motherboard. Memory if necessary, as well.

 

Go for mATX since full ATX won't fit in your case.

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1 minute ago, Crunchy Dragon said:

Yeah, upgrade the CPU and motherboard. Memory if necessary, as well.

 

Go for mATX since full ATX won't fit in your case.

the CPU is a i5-4590, the whole point was to be a budget build, only reason im trying to do things on the cheap

 

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Just now, scollins12343 said:

the CPU is a i5-4590, the whole point was to be a budget build, only reason im trying to do things on the cheap

Look for an mATX Z97 board, then.

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1 minute ago, scollins12343 said:

what about this??

 

https://www.ebay.co.uk/itm/ASUS-Q87M-E-MicroATX-LGA-1150-Motherboard-DDR3-USB-3-0-HDMI-for-4th-Gen-i7-i5-i3/372382124464?hash=item56b3b449b0:g:0xAAAOSwADxbWeiy:rk:3:pf:0

That board is not guaranteed to work with your CPU, that's why I said Z97.

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1 minute ago, Crunchy Dragon said:

That board is not guaranteed to work with your CPU, that's why I said Z97.

they are like £100 plus so wouldn't be worth it as im on a tight budget. is there a site that you can check motherboards compatibility.

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Just now, scollins12343 said:

they are like £100 plus so wouldn't be worth it as im on a tight budget. is there a site that you can check motherboards compatibility.

The motherboard manufacturer's site.

 

The board you linked will work, but may or may not need a BIOS update(which will require an older CPU than the one you have), but a Z/H97 board is guaranteed to work out of the box.

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1 minute ago, Crunchy Dragon said:

The motherboard manufacturer's site.

 

The board you linked will work, but may or may not need a BIOS update(which will require an older CPU than the one you have), but a Z/H97 board is guaranteed to work out of the box.

ah okay so I need to look at supported motherboards and the bios revision thats needed to use the cpu

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6 hours ago, scollins12343 said:

is there no way i can use this motherboard??

Nope, you're out of luck in this case...

Because its a 12V Only System...

6 hours ago, Crunchy Dragon said:

An adapter might work, but if the CPU only needs 4 pin power, it's probably not worth using in a sleeper rig anyway.

Not really, as he needs an active adapter with a boost converter as this PSU has a 12V Standby Rail...

And a really strong one as well...

And I don't know of many PSU that have more than 4A Standby as this has over 1,5A on 12V Standby as that is needed...

"Hell is full of good meanings, but Heaven is full of good works"

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13 hours ago, scollins12343 said:

so would you suggest just getting a mATX board and a new mother board?

You need a new Board, but since its haswell or so, it might also make sense to look at an upgrade...

 

13 hours ago, scollins12343 said:

the CPU is a i5-4590, the whole point was to be a budget build, only reason im trying to do things on the cheap

For that I'd not get a new Motherboard at all as its only a small 4 Core. You can get something similar for like 70€ or so...

So that's just a waste of money IMO.

 

SO what I'd do is look for GPUs without PCIe connectors and use one of those and call it a day...


Do you know someone that has experience in soldering?? Or better crimping cables.
Some Electronics person or an Electrician?

In that case there might eventually a solution, though not recommended...

"Hell is full of good meanings, but Heaven is full of good works"

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