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Future proof power supply?

CuriousBro

What is the likely future of power supply needs over the next ten years? I'm mostly asking because I recently bought a 650w 80+ gold standard and already need a 850w for my next upgrade. Is it even wise to buy a 1000w in an attempt to future proof my power supply give we don't know what the average need will be in a decade?

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4 minutes ago, CuriousBro said:

I recently bought a 650w 80+ gold standard and already need a 850w for my next upgrade.

How so?

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Imo future proofing is a fools errand. We have no way of knowing how everything will develop. Also technology will advance faster every year. I'd just stay with what works now and worry about upgrades when it's time. Most people buy extra to future proof and then upgrade the "future proof" component either way when adding other new components, so they don't really save any money.

If someone did not use reason to reach their conclusion in the first place, you cannot use reason to convince them otherwise.

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8 minutes ago, CuriousBro said:

I recently bought a 650w 80+ gold standard and already need a 850w for my next upgrade.

are you buying 2x gpus or quadro or somethinbg? otherwise 650w is plenty

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We have no idea what new standards manufacturers may develop that might be incompatible with current PSUs, so futureproofing for 10yrs is a long bet. If you want to get the 4080 or 5080 in 4-5 years, along with some 20-core 5 GHz CPU that might be on the market by then, then maybe 1000w might be necessary, since the trend for power consumption shows up. That said, who knows whether there are no new standards required for these components, and considering the current PSU prices, I'd recommend you not to buy more than you need right now, you can future proof parts when they are cheap.

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32 minutes ago, CuriousBro said:

What is the likely future of power supply needs over the next ten years? I'm mostly asking because I recently bought a 650w 80+ gold standard and already need a 850w for my next upgrade. Is it even wise to buy a 1000w in an attempt to future proof my power supply give we don't know what the average need will be in a decade?

You go with the highest you can buy, like the Super Flower 2000W.

But maybe even that is not future proof enough if you plan to upgrade to Octa socker server with 4 Quadro cards

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54 minutes ago, CuriousBro said:

Is it even wise to buy a 1000w

No. CPU is getting lower in consuming power.

And i don't see a reason why Nvidia or AMD would ever create a 500w GPU.

Unless the decided to put 2 gpu chip like it did back in GTX 690 or Radeon Pro Duo.

Even then it's just 350w. So 350-400w is probably the max they would ever make.

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We're gonna have power supplies split into the current models and 12v0 models (12v standby and only 12v output, motherboard producing the rest of the voltages) 

 

I suspect we're soon (maybe 2-3 years?) gonna see power supplies no longer being shipped with old molex cables.

 

With shrinking of manufacturing processes you typically get LESS power consumption for the same performance, so you would need a smaller power supply... or in other words, higher wattage models won't be as needed. 

No point giving the RTX 3090 as example, because it's a high end video card... and even this can still work on a 650w power supply.

 

I doubt we're gonna see the 12pin nvidia connector catch and see power supplies with the connector in the cable bundle. 

 

I hope in less than 5 years we're not gonna have bronze efficiency psus anymore, simply because it would cost about the same or less to achieve gold efficiency, so it would little sense.

 

ideally ... you could say it wishful thinking ... a bunch of the big manufacturers would be willing to make up new psu standard and use 20v and 12v  (20v because it's in usb power delivery standard so you could easily quick charge things or power monitors and external usb devices from usb ports)... and 12v for backwards compatibility with pci-e and fans and hard drive motors etc..

 

it would also make it possible to reuse existing laptop adapter designs (just an easy raise of voltage from 16.5v...18.5v to 20v) to power small office computers, itx builds (<200w systems)

 

 

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1 hour ago, CuriousBro said:

What is the likely future of power supply needs over the next ten years? I'm mostly asking because I recently bought a 650w 80+ gold standard and already need a 850w for my next upgrade. Is it even wise to buy a 1000w in an attempt to future proof my power supply give we don't know what the average need will be in a decade?

First off, no PSU should be run for 10+ years.

 

Secondly, your 650 is probably plenty, unless you're running a very power hungry system.

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8 minutes ago, mariushm said:

new psu standard and use 20v and 12v

Quickcharge on my motherboard? Nah i'll pass.

I think 12v should enough to use as quickcharge for 18-24w.

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4 hours ago, CuriousBro said:

What is the likely future of power supply needs over the next ten years? I'm mostly asking because I recently bought a 650w 80+ gold standard and already need a 850w for my next upgrade. Is it even wise to buy a 1000w in an attempt to future proof my power supply give we don't know what the average need will be in a decade?

 

No, not really... In the real since of it.

 

What you can do, what some people actually do (The smart ones do anyway) is buy enough PSU to keep the power draw in the sweet spot of the efficiency range of 40% to 65%. PSUs are different so one would have to look at the graphs on the PSU company pages or look at the professional reviews to see.

 

What that does is give enough headroom for future upgrades just incase while being the best efficiency range when you buy the PSU. 

 

So if down the road with some major upgrade or rebuild you will have enough PSU to handle it reasonably. 

 

PSUs don't last forever and it's best not to run one more than 10 years max, and that's if the PSU has a 10 year warranty and it's a high quality unit.

 

Best thing to do is look at the load percentages, that's max load, not usage load because that doesn't account for power spikes. Then see how that fits in the efficiency range of the PSU, within say 65% load or so...

 

 

I did a little work up using my machine as an example.

 

PSU is an HXI 850W so I know what the input and output load wattages are.

 

 

With my loads and these are output wattage, not from the wall.

 

~ 620W peak = 73%

 

~ 550W gaming = 65%

 

Spikes are higher, but.... Also OC is higher etc... But...

 

About perfect for my system power draw.

 

Keeps me in the 92% - 93% efficiency range, can't ask for more than that really.

 

If it was a 650W PSU... 

 

Gaming would be. = 85%

Peak would be. = 95%

 

750W PSU would be.

 

Gaming = 73%

Peak = 83%

 

 

So you can see how the numbers really add up, and real numbers..... Spikes would be over a 650W PSU and run fairly close on a 750W PSU..... The 750W I had in it was working fine, but started to get loud....

 

And that's with the current system, add a 3080 or 3090 FTW3 in there and..... Well.....

 

Or an upgrade to a 10900K, now that would really blow up the numbers, but I am not going to upgrade from my 9900K for a long time yet....

 

Add another 150W to 180W to my numbers with a 3080 FTW3 and 10900K and things start to get interesting.... A 1000W PSU would not be out of the question.

 

So when you look at the percentages from real numbers and think about the amount of headroom left over it should make one think a little.

 

But then my system and the way I run it isn't like everyone else so... There is always that.

 

 

 

 

 

 

 

 

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