Arne Saknussemm
New member
There is so much bad info in this thread now it is giving me a headache!
PSU efficiency is calculated over the whole range of the PSUs loading range and is simply a measure of...surprise surprise...how efficiently a PSU converts input power to output.
A750W unrated PSU will still deliver 750W across the load range it will just need a lot more than 750w input. A Platinum rated 750W PSU will do exactly the same...just with less input power...less on the leccy bill less heat.
unless you run a PSU below something like 20% of its capacity they are all more or less the same at outputting power efficiently...i.e. a 1000W PSU outputting 500W will do so as efficiently as a 650W psu doing the same...so bigger PSU does not mean waste when outputting less power. In fact a Platinum rated 1000W PSU will output 500W of power more efficiently than a non rated 550W PSU.
The "10% rule of thumb" is completely made up on the spot. I would advise anyone to keep well away from that...in fact peak efficiency is at about 50% not that peak is much different from lower to about 20% or higher to 100%
What does happen is that PSUs age! They do not deliver the same power over time and a larger PSU running at 60 or 75 % will last longer and with more stability than a smaller PSU at 85-90%. So when the difference in price is small always go big on the PSU
The quality of a PSU is of course paramount...you get what you pay for full stop!
To sum up there is no "way too much" unless you mean running at less than 20% capacity and there very definitely is too little....especially when OCing.
Now RAM! Frequency and latency are part of the equation they are inseparable ying yang grasshopper. they are meaningless separately and one does not trump the other.
However once you have more than the quantity you need to run games neither high speed nor low latency have much effect on gaming...that much is correct.
PSU efficiency is calculated over the whole range of the PSUs loading range and is simply a measure of...surprise surprise...how efficiently a PSU converts input power to output.
A750W unrated PSU will still deliver 750W across the load range it will just need a lot more than 750w input. A Platinum rated 750W PSU will do exactly the same...just with less input power...less on the leccy bill less heat.
unless you run a PSU below something like 20% of its capacity they are all more or less the same at outputting power efficiently...i.e. a 1000W PSU outputting 500W will do so as efficiently as a 650W psu doing the same...so bigger PSU does not mean waste when outputting less power. In fact a Platinum rated 1000W PSU will output 500W of power more efficiently than a non rated 550W PSU.
The "10% rule of thumb" is completely made up on the spot. I would advise anyone to keep well away from that...in fact peak efficiency is at about 50% not that peak is much different from lower to about 20% or higher to 100%
What does happen is that PSUs age! They do not deliver the same power over time and a larger PSU running at 60 or 75 % will last longer and with more stability than a smaller PSU at 85-90%. So when the difference in price is small always go big on the PSU
The quality of a PSU is of course paramount...you get what you pay for full stop!
To sum up there is no "way too much" unless you mean running at less than 20% capacity and there very definitely is too little....especially when OCing.
Now RAM! Frequency and latency are part of the equation they are inseparable ying yang grasshopper. they are meaningless separately and one does not trump the other.
However once you have more than the quantity you need to run games neither high speed nor low latency have much effect on gaming...that much is correct.
