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Optiplex 7040 sff psu upgrade
Hey.
I have a optiplex 7040 sff where i would like to have more gpu power. Problem is that original 180w AC180ES-00 psu would be a bottleneck to more powerhungry gpu. I have read at dell vx372 315w powersupply would work whit out any modification. Can someone confirm this to me?
Thank you.
redxps630
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April 10th, 2020 17:00
vx372 315w is for optiplex XE2. if you look at pic of that psu and compare with 7040 psu closely, the psu cases are designed differently. I am not sure if will fit the 7040 sff case tbh.
if you look at mounting screw holes, they also seem different.
Makeset
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May 20th, 2020 13:00
Thank you.
I was going to wait at i get my hands to one of those so i could confirm the fit, but no because of pandemia i can't get one. I try to update this thread when and if i get that psu.
speedstep
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May 21st, 2020 05:00
Or you can go the ugly but works option by removing internal power supply and running wires with adapter thru the hole left behind.
https://www.moddiy.com/products/Dell-OptiPlex-7040-PSU-Main-Power-24%252dPin-to-8%252dPin-Adapter-Cable-%2830cm%29.html
https://www.bestbuy.com/site/evga-700w-atx12v-eps12v-80-plus-bronze-power-supply-dc-dc-technology-black/6346160.p?skuId=6346160
https://www.youtube.com/watch?v=SCQTj1ei3Ew
BRP1991
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May 23rd, 2020 20:00
Just wanted to say that I just did this with a 7040 SFF. The XE2 fits but not properly. Only one screw hole lines up but I can shut the case confidently.
I plan to put a 1650 LP in it and stick it behind my bedroom TV.
jtean
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July 9th, 2020 03:00
hi! i want to upgrade the 7040 sff and put the 1650 low profile in there but i also am unsure about the psu. i want to upgrade the it and i saw the 315w psu. If i use an adapter and use a small psu with maybe like 400w, would this fit and work in the pc? thanks!
mehdital
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January 28th, 2021 05:00
How loud is your setup when idle? I plan to have it as a 24/7 server in my bedroom as well but im worried about the fan noise
bradthetechnut
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January 28th, 2021 18:00
Optiplex XE3 SFF 300w PSU might be a better fit. Yes, there's adapters. But what I don't know is if one can go from 6-pin to 8-pin with the power. Just the same, one can't go from 8-pin to 24-pin with power to the MB.