Massive overkill

sgoaty

sgoaty

sgoaty

Soldato
Joined
30 Jan 2005
Posts
3,364
Location
Inverness
I've got a seasonic prime 1000w gold PSU powering my 5090, 9950X3D system at the moment.

It's from the 3090 era so not complaint with the latest PCI-E standards although it's working fine with a cable I bought from seasonic.

I was looking for something around 1200W on the A tier with PCI-E 5.0 and was a bit shocked at what you need to spend to get something decent.

I've ended up buying a 2200W seasonic prime from the members market for £170, doesn't look likely I'll get warranty with it but it's costing a bit less than a comparible lower wattage model and should be more power than I'll ever need.

With this being a Europe only model there's not many detailed reviews on it just wondering what the efficiency is likely to be like running at less than 50% load and if this seems like a smart buy or is there a reason I shouldn't have went so far above what I actually need?
Thanks
Scott
 
If we look at the question of efficiency in isolation its not likely to be a big deal in terms of power consumption (electricity cost), verses say a 1000w unit, over 1 year of electricity consumption - it just won't likely be running at the sweet spot on the bell curve for efficiency as it's way overspecced lol.
 
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sgoaty said:
With this being a Europe only model there's not many detailed reviews on it just wondering what the efficiency is likely to be like running at less than 50% load and if this seems like a smart buy or is there a reason I shouldn't have went so far above what I actually need?
Click to expand...
There's no problem, efficiency is very high at likely load for your system. You can see more in the cybenetics report.
 
Looking at the efficiancy of a Seasonic 1000w Prime ( just as an example of a modern PSU from the brand ) the figures barely change. 92% efficiency at 20% load, 94% efficiency at 50% load, and 90% efficiency at 100% load.
 
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