Is this power supply good?

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p.petridis12345

Commendable
Oct 17, 2017
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I am building a new pc and want to know if Seasonic Focus Plus 750 Platinum is good at the price 127€ and quality.
It's I think 120mm and is this the fan or the whole psu and does it fit in every case?
Thank you
 
Solution
geofelt
All the Seasonic focus units are excellent quality.
650w will be sufficient for even a GTX1080ti.
Here is a chart for other options.
http://www.realhardtechx.com/index_archivos/Page362.htm

The focus series comes in platinum and gold ratings, with the gold rated unit costing less.
I see no real advantage to paying more for platinum.
Certainly not for electricity cost savings.

The psu may use 120mm fans, but the length will be 140mm; one of the most compact units out there.
It will fit in any case that supports a ATX format psu.
What is your case?

I have no problem overprovisioning a PSU a bit. Say 20%.
It will allow for a stronger future graphics card upgrade.
It will run cooler, quieter, and more efficiently in the middle third of...
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Serinox

Reputable
Jun 23, 2017
220
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Yes it's best bang for the buck if you want a good platinum psu. I am owning the 850w model, and the fans dont even spin at 300watts load at the wall!

Also it's very short for the capacity, so it should fit in any midi tower.
 
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ehmkec

ehmkec

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Aug 31, 2017
235
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Good choice. My rule of thumb is to choose a PS that us double what the max CPU and GPU power reqs are. That way it runs below 50% utilization and stays in the 30-40C temp range - which will help your case temps. For a few extra bucks you plug it and forget it.
 
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InvalidError

InvalidError

Titan
Moderator
May 18, 2007
23,815
5,265
108,890

With practically all PSUs dumping their exhaust directly outside, a more efficient PSU has negligible effect on computer case temperature. Efficiency-wise, most 80+ Gold or better PSUs have relatively flat efficiency (+/-1%) from 30% through 70%, so you aren't really gaining anything by aiming for 50%.
 
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geofelt

geofelt

Titan
Oct 9, 2006
54,274
4,130
174,240
All the Seasonic focus units are excellent quality.
650w will be sufficient for even a GTX1080ti.
Here is a chart for other options.
http://www.realhardtechx.com/index_archivos/Page362.htm

The focus series comes in platinum and gold ratings, with the gold rated unit costing less.
I see no real advantage to paying more for platinum.
Certainly not for electricity cost savings.

The psu may use 120mm fans, but the length will be 140mm; one of the most compact units out there.
It will fit in any case that supports a ATX format psu.
What is your case?

I have no problem overprovisioning a PSU a bit. Say 20%.
It will allow for a stronger future graphics card upgrade.
It will run cooler, quieter, and more efficiently in the middle third of it's range.
A PSU will only use the wattage demanded of it, regardless of it's max capability.

 
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Solution
InvalidError

InvalidError

Titan
Moderator
May 18, 2007
23,815
5,265
108,890

The trend over the past ~10 years is for newer GPUs to use similar or less power in each given performance tier than previous generations, so the whole notion of over-sizing the PSU specifically "for future GPUs" is effectively obsolete; a vestige from the bygone days of CPU and GPU TDPs going up, sometimes substantially, with each generation.

On the GPU side of things, the biggest bottlenecks to cramming more performance in smaller dies are cooling the chip and feeding it with data. Both of these are applying down-force on TDP - cooling is self-explanatory while keeping the chip fed limits how much more usable performance can be added regardless of cooling concerns.
 
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