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JinnGonQui

Max PSU ratings

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Posted · Original PosterOP

Nerd moment: is the reason why we haven't seen workstation power supplies beyond 1600W …. because it's the max Wattage a standard 15A circuit on a 120VAC system will not trip if the Power Factor of the draw is 90%+ ? (most high-end PSU's rated that high are performing "80+ Titanium": 90%+) ... W/(PF(VAC)=A ... W=Amax(PF(VAC) 


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We do have them PSUs that go above 1600w. They just max out at 1600w in the US and other places that use 110-115V.

 

Edit: and yes its due to circuit breakers.

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When you notice there are more countries with 220V-240V wall outlet voltage than there are 100V-120V...


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CPU: i7-2600K 4751MHz 1.44V (software) --> 1.4?V at the back of the socket Motherboard: Asrock Z77 Extreme4 (BCLK: 103.3MHz) CPU Cooler: Noctua NH-D15 RAM: Adata XPG 2x8GB DDR3 (XMP: 2133MHz 10-11-11-30 CR2, custom: 2203MHz 10-11-10-26 CR1 tRFC:230 tREFI:14000) GPU: Asus GTX 1070 Dual (Super Jetstream vbios, +70(2025-2088MHz)/+400(8.8Gbps)) SSD: Samsung 840 Pro 256GB (main boot drive), Transcend SSD370 128GB PSU: Seasonic X-660 80+ Gold Case: Antec P110 Silent, 5 intakes 1 exhaust Monitor: AOC G2460PF 1080p 144Hz (150Hz max w/ DP, 121Hz max w/ HDMI) TN panel Keyboard: Logitech G610 Orion (Cherry MX Blue) with SteelSeries Apex M260 keycaps Mouse: BenQ Zowie FK1

 

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2 minutes ago, Jurrunio said:

When you notice there are more countries with 220V-240V wall outlet voltage than there are 100V-120V...

When you notice there are more countries who use meters. I can't wait for America's downfall just to stop having to know feet and miles. 


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Power factor can be as high as 98-99%

Titanium/Plantinum can be as high as 94-96% efficient at around 1000-1300w

In US, you are indeed limited by the 15A fuses. On 230v, you can do more.

There's server power supplies that can do 2200-2400w on 230v and 1500-1600w on 110v

 

Here's an example: https://www.bargainhardware.co.uk/dell-g803n-m1000e-chassis-psu-2700w-w31v2

You can see it says there on the right: maximum output power at 100-120v input is 1350w - and at 200-240v is 2700w

 

dell-m1000e-chassis-psu-2700w-9d5_resized.jpg.bebace3594954f569369e818cfbc9402.jpg

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19 minutes ago, LukeLinusFanFic said:

When you notice there are more countries who use meters. I can't wait for America's downfall just to stop having to know feet and miles. 

When you notice the US is supposed to je using metric at this point

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10 hours ago, GoldenLag said:

When you notice the US is supposed to je using metric at this point

I was taught it in Elementary school and told we were going to switch.... never happened.  😮

 

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4 minutes ago, jonnyGURU said:

I was taught it in Elementary school and told we were going to switch.... never happened.  😮

 

on paper you switched........ just noone wrote it down.

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