Upgrade advice for Dell Optiplex 9020

Drake5

Drake5

Drake5

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12 Dec 2005
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I have a dell optiplex 9020, current specs are i7 4790, 16gb ddr3 ram and it's using an older graphics card

It's the bigger size optiplex varient and looks like this -
https://imgur.com/a/8ccLz70

The PSU inside it is the standard dell 300w PSU, do you think I could get a single slot 570/580 that would fit inside this system and work fine with the PSU
 
No way! You'll definitely need a beefier PSU.

Dell's stock PSUs are awful and not made to cope with any form of component upgrade.

AMD GPUs are usually quite power hungry too, definitely wouldn't bother without a PSU upgrade.

EDIT: Ewww just realised it's one of those stupid towers. I'm quite sure Dell don't make it easy to swap out the PSU. Unsure if they are still using non-universal PSU connections on their motherboards, to stop people putting non-Dell parts in. Have a look at your mobo if CPU and ATX connection are standard.
 
Actually the Dell Optiplex 9020 Mini Tower use a really good quality 290w Gold+ rated PSU with 90% or greater efficiency. An i7 4790, with RAM and SSD, and motherboard will be pulling 120w-130w, and the PSU's are happy running at 75-80% load long term, giving you about 232w usable power from the unit.

Sadly most good AMD GPU's will be at least 100+w, so you end up looking at something like a GTX 1060 6GB, measured from the wall the same setup you have, was pulling 194w running KCD at 1080p medium settings. So it is doable.
 
Still wouldn't recommend trying it, you'll only be disappointed when it doesn't boot - or the GPU doesn't run at full efficiency.
 
Thanks guys. There seems to be a way to use a different PSU, it's to get one of these connectors

https://imgur.com/a/zFCBFzC

From reading around online it seems that they work fine. I think the mobo CPU power pin is regular, but the standard 24 pin you usually get is an 8 pin one
 
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