My Precision 3650 Tower has a 460W PSU and I would like to upgrade it so I can upgrade the GPU card. It would appear dell do not offer any upgrade of PSU directly so I was wondering is the PSU in a 3650 Tower a standard ATX design and I could upgrade to a no dell make like evga or corsair branded one?
Correct, but the corners of the inlet with the Dell PSU were not being used as an inlet as the fan was only 80mm in diameter.
with a larger fan the whole inlet is being used with better airflow.
A circle diameter of 80mm has a area of 5027 mm²
a square of 80mm x 80mm has a area of 6400 mm² (with a larger fan)
The 120mm fan on the new PSU covers the whole inlet and from corner to corner, the length of the diagonal is 113.14mm so using a fan of 80mm (as the dell on has) shows the flaw of a 80x80 inlet with a 80mm fan!
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Thanks for the reply. Yes I had seen that post and the fell 1000w would suffice, though as for the Corsair 750 this is below the output for the combined power on the 5v and 3v.
Corsair is a good choice. Note that all 750w, 850w, and 1000w have the same combined output of 150w on +3.3v and +5v rails but the RMx series will provide higher max load of 25A on those rails instead of 20A from the RMe.
thank for the info, thats good to know. my 460w dell psu is 130w and most other manufacturers of PSUs dont have this output of 130w until you go really big.
I'll take a look at the RMx series too though for price for what I need the RMe series is probably all I need. I'm really just wanting a decent, but not high end GPU Card.
Darkmoon5
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Posted January 9th, 2023 04:00
The PSU is exactly the same size as the Dell 460W and fits very well.