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Old 02-11-2019, 04:06 PM   #11
Svsmokey
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No , no , no . Spec-ing a power supply at its limit is ALWAYS a bad idea . Efficiency drops and noise increases when a power supply is operated at max , meaning it runs much hotter , shortening service life and greatly increasing the likelihood of failure - with potentially catastrophic effects on anything connected to it .
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Old 02-11-2019, 04:36 PM   #12
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AD, really, we can agree on a premium 650w PSU but a 750w was better.

Fyi I run 1200w as I want to be able to run up to three cards, 2 gpu and 1 sas aic

I have 612w peak and about 400w in DCS with 1 gpu as in sig

So 400w x2 = 800w. So any 700-800 was best. Now add another gpu and another 75w Card and 1200 w is ok

I don’t say you need 1200 or 1000w for single gpu with a desktop cpu.

But look, I really want a threadripper 7nm when it comes, so that will pull way more than my 8700k does, nice to have some extra watts if it pulls 400w peak cpu alone

650w is what you say if you wanna sell that card, NVIDIA won’t tell you „hey, you need a new psu too, BTW“. Say 650 and sell it


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Old 02-11-2019, 05:27 PM   #13
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Quote:
Originally Posted by BitMaster View Post
AD, really, we can agree on a premium 650w PSU but a 750w was better.

Fyi I run 1200w as I want to be able to run up to three cards, 2 gpu and 1 sas aic

I have 612w peak and about 400w in DCS with 1 gpu as in sig

So 400w x2 = 800w. So any 700-800 was best. Now add another gpu and another 75w Card and 1200 w is ok

I don’t say you need 1200 or 1000w for single gpu with a desktop cpu.

But look, I really want a threadripper 7nm when it comes, so that will pull way more than my 8700k does, nice to have some extra watts if it pulls 400w peak cpu alone

650w is what you say if you wanna sell that card, NVIDIA won’t tell you „hey, you need a new psu too, BTW“. Say 650 and sell it


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Hehehe all true, but I was still talking about single-CPU single-card systems.


Does the AMD Threadripper 7nm really yank more than half a horsepower out of the wall?? If so, that CPU with 3 hefty graphics cards can justify a kilowatt PSU. But, not a one-CPU one-card system.


I've just seen too many people on this forum with one i7 and one 1080 Ti or even two of them, buying a 1200W PSU or even more.


It's your dough, buy what you want.


AD
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Old 02-11-2019, 05:38 PM   #14
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bigger is better right?
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Old 02-11-2019, 07:24 PM   #15
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Yes, bigger quality (tier) is better.

And again, you should use the operating wattage (when gaming) instead of the max wattage (torture test) to calculate the PSU.
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Old 02-12-2019, 09:09 PM   #16
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Yes, bigger quality (tier) is better.

And again, you should use the operating wattage (when gaming) instead of the max wattage (torture test) to calculate the PSU.



It depends on how you use your computer.


When i bought this PSU for my 2600k build in 2015 I just bought it cause it was on sale for less than 300€ and I wanted 1000w anyway, and modular,. SLI proof, SAS adapter proof with 16 HDD's, just prepared for whatever may come....and I have personally fixed dozens of melted PSUs that i do know I never want to belong to those victims. Not if 100-150€ more can safe my parts and mind.



I havent used SLI ( YET! ) but mined with 2 GPUs + CPU at times, tested various GPU's as a 2nd GPU etc... so it payed out for meto have some extra wattage, call it confidence.


Now, looking with 1 eye on the 2950WC processor, or better the 7nm variant of it coming autumn this year, I do know that even if I pull 300w on the CPU, I can still run 2 Navis
in Vulkan's mGPU.



When mGPU comes and works in DCS, you will see more and more people collecting GPU's in their boards...and melting PSU's. Remember my words then.
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Old 02-12-2019, 09:19 PM   #17
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contrary, life is cruel to me and I had to let a friend leave this desk last night with a Ryzen 1600x, a 980ti....and a lousy 400w PSU.


Same guy who melted 2 PSU's mining with 980ti ( that one ) plus his 1080ti, plus CPU. He went through 3 PSU's until he somehow listened to get at least 1kW of a good brand and Tier.


That 400w bequiet is one of my "on the shelf for friends" PSU's, I gave him that months ago to get the build done and also gifted my sons 760GTXti as he got my 980GTX back then, I knew it was hairy, but you know what. The freaking 760 died and I think its cuz of that too small PSU that I thought could last until he buys hos own. Well, he never bought one and the 400w reactor grilled the GPU, likely that is the case. Asus cards usually dont fail that fast. ANyway, he insisted on NOT taking my offfer to put my other spare PSU in, a 650w one. OK...I dont need to beat you to listen, its your GPU this time....that were my thoughts.


I would not be surprised to get a call tomorrow, or now, saying the PC reboots, BSODs, crashed, wont boot upo anymore or..GPU is dead again...all that is in the box if you dare this.


I told him 650w premium qulaity is the lowest he shall go, or better a 750-850w gold or platinum Tier PSU. I know he will buy the cheapest he will find...back to real life



Just why do I know my guys..and why do I know he will come again saying"I shoudÄve listened" but he never does.


he fixes my car btw, a satanic mechanic HAHA
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Old 02-13-2019, 12:24 AM   #18
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Agreed with you Bit. My mission is done. I gave you (everybody) the knowledge to understand what your doing.
But, 15 inches of snow with strong winds tonight/tomorow, after a lovely -30°. Please don't laugh. See you later.

My job today was (for the third time),,, pump 3 feet of water (at -10° full humidity) out of the basement of a store (The plumbing freezes and breaks). The idiot don't heat the store to spare money. That reminds you something? When you want to spare money?
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Old 02-14-2019, 05:09 PM   #19
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Quote:
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Agreed with you Bit. My mission is done. I gave you (everybody) the knowledge to understand what your doing.
But, 15 inches of snow with strong winds tonight/tomorow, after a lovely -30°. Please don't laugh. See you later.

My job today was (for the third time),,, pump 3 feet of water (at -10° full humidity) out of the basement of a store (The plumbing freezes and breaks). The idiot don't heat the store to spare money. That reminds you something? When you want to spare money?

Haha !

yeah,, the firemen left my place once saying "Our pumps dont go deeper than 15cm, you have to get the rest of the water out yourself"...and they left. Left me with 400square meters of flooded basement....on a nice sunday afternoon. The heating had a malfunction and pumped it all into the cellar...so nice. Took me till late night with 2 buddies of mine LoL..I will never forget that sunny Sunday afternoon
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