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post #1 of 8 (permalink) Old 05-02-2020, 12:07 PM - Thread Starter
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Power supply calculations

Hi First time builder...

Ryzen 3600x
Corsair 460x rgb
Corsair mp510
Corsair low profile 3600 ram
Be quiet dark rock pro 4
Msi tomahawk max
Msi 5700 oc mech

What power supply do I need as the be quiet I think says 250 watt? Thanks.
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post #2 of 8 (permalink) Old 05-02-2020, 12:46 PM
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Try this calculator instead, 250w does not sound correct for the parts you have listed
https://outervision.com/power-supply-calculator

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post #3 of 8 (permalink) Old 05-02-2020, 01:44 PM - Thread Starter
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Quote: Originally Posted by BIRDMANv84 View Post
Try this calculator instead, 250w does not sound correct for the parts you have listed
https://outervision.com/power-supply-calculator
Sorry I meant the cooler dissipates 250 watts
.
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post #4 of 8 (permalink) Old 05-02-2020, 01:55 PM - Thread Starter
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The calculations say I am going to pull 450 watts, but reckons a 750? Would a 650 be fine?
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post #5 of 8 (permalink) Old 05-02-2020, 01:55 PM
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Quote: Originally Posted by Rhysc View Post
Sorry I meant the cooler dissipates 250 watts
.
250w definitely too low. You could get away with 500w easily, even on an Overclock. I tend to leave some wiggle room for future upgrades in my builds though, and since 600w-650w tend not to be much more expensive, I would grab one of those. Just make sure to get yourself a PSU that is at least 80+Bronze Rated from a Trusted Brand (Like EVGA, Corsair, Cooler Master, Seasonic, Fractal Design, Be Quiet etc...) and not some off brand not 80+ rated crap, and at least 500w, and you will be fine!

The calculator that @BIRDMANv84 posted a link to is reliable as well, so if you want to plug all your parts into that, that should give you the bare minimum you should go with. Don't be afraid to get above what you need though. Some new builders tend to think that getting a PSU bigger than what they need will pull more power, this is a misconception, the PSU will only pull as much power as your System Needs, so even if you got a 1000w PSU and your system only pulls 300w under full load, you are still only going to pull that 300w from the wall, plus a tiny bit more lost to waste heat (which would happen even if it was a 300w PSU). Also the efficiency curve tends to be best somewhere between 50% to 65% of the full capacity of your PSU. So if your build is expected to pull 300W at Full Load, its good to grab a PSU that is somewhere between 550w to 600w, because that means it would be the most efficient (less power lost to waste heat) when you were at full load.

Anyways, hope this crash course helps!

-MattTheTech

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post #6 of 8 (permalink) Old 05-02-2020, 02:00 PM
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Quote: Originally Posted by Rhysc View Post
The calculations say I am going to pull 450 watts, but reckons a 750? Would a 650 be fine?
Anywhere between 500w to 750w would be appropriate. As long as the PSU is able to pull enough power for your components, the most important thing is to get a well reviewed PSU. A good PSU could last for 10 Years + and multiple builds. Where as a poor CPU PSU at worst could end up killing components, or at best give you issues when under full load. So after the immediate power needs of your build is met, the next most important thing is to get the best possible PSU you can within your budget that meets those Power Needs. Don't go Below 80+ Bronze, 80+ Gold Tend to be the best bang for your buck in terms of Quality, Warranty, and Price. Good Luck!

-MattTheTech

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DodekaZen3000
(34 items)
CPU
Ryzen 9 3950x
Motherboard
ASUS Crosshair VII Hero
GPU
EVGA 1080ti FTW3 Hybrid
RAM
G.SKILL Flare X Series 32GB (4 x 8GB) 3200Mhz (PC4 25600) - F4-3200C14D-16GFX (x2 Kits)
Hard Drive
Samsung 970 Pro 512GB
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Samsung 850/860 Evo (x3 Raid 0 Game Drive)
Hard Drive
WD Black 4TB (x2 Raid 0 Storage Drive)
Hard Drive
860 Evo
Optical Drive
LG Blu-Ray Burner (Model BH16NS40)
Optical Drive
5.25" to One 3.5" and One 2.25" Bay (Model Syba SY-MRA55006)
Power Supply
Corsair RM1000i
Cooling
EKWB Phoenix 360mm Modular Cooler
Cooling
280mm Alphacool UT60
Cooling
280mm EKWB Coolstream CE
Cooling
Optimus Foundation AM4 CPU Block
Cooling
x2 Corsair Pump/Res Combo
Cooling
EKWB Acrylic 1080ti FTW Block
Cooling
Aquaero 6xt
Case
Old Jonesbo Case
Operating System
Windows 10 Enterprise
Monitor
Samsung NU8000 55Inch TV (Its a 4k TV But I run in it 1440p 120hz)
Monitor
LG 1080p 34 Inch Diplay
Keyboard
Corsair k70 RGB Lux Mk2
Mouse
Logitech G700s
Mousepad
Razer Vespula V2
Audio
Custom Built 7.1 Surround System
Audio
HT-Omega eClaro 7.1 Sound Card
Audio
Focusrite Scarlett 18i20
Other
Aquantia 10Gb NIC
Other
LSI 9211-8i
Other
Oculus Rift HMD
Other
10 ML120 + 6 ML140 Corsair Maglev Fans
Other
Phanteks Halo aRGB LUX x5
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Last edited by oreonutz; 05-02-2020 at 02:03 PM.
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post #7 of 8 (permalink) Old 05-02-2020, 03:12 PM - Thread Starter
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Thanks for your advice guys! Gone with the Corsair rm650x.
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post #8 of 8 (permalink) Old 05-02-2020, 04:07 PM
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Quote: Originally Posted by Rhysc View Post
Thanks for your advice guys! Gone with the Corsair rm650x.
Good Choice! Thats a good PSU! Sounds like your first Build is going to be a nice one! Definitely better than my first build (granted that was 1989, but still)!

-MattTheTech

Offical Ryzen 9 3900x Owner!
Offical Ryzen 9 3950x Owner!
DodekaZen3000
(34 items)
CPU
Ryzen 9 3950x
Motherboard
ASUS Crosshair VII Hero
GPU
EVGA 1080ti FTW3 Hybrid
RAM
G.SKILL Flare X Series 32GB (4 x 8GB) 3200Mhz (PC4 25600) - F4-3200C14D-16GFX (x2 Kits)
Hard Drive
Samsung 970 Pro 512GB
Hard Drive
Samsung 970 Evo 1TB
Hard Drive
Samsung 850/860 Evo (x3 Raid 0 Game Drive)
Hard Drive
WD Black 4TB (x2 Raid 0 Storage Drive)
Hard Drive
860 Evo
Optical Drive
LG Blu-Ray Burner (Model BH16NS40)
Optical Drive
5.25" to One 3.5" and One 2.25" Bay (Model Syba SY-MRA55006)
Power Supply
Corsair RM1000i
Cooling
EKWB Phoenix 360mm Modular Cooler
Cooling
280mm Alphacool UT60
Cooling
280mm EKWB Coolstream CE
Cooling
Optimus Foundation AM4 CPU Block
Cooling
x2 Corsair Pump/Res Combo
Cooling
EKWB Acrylic 1080ti FTW Block
Cooling
Aquaero 6xt
Case
Old Jonesbo Case
Operating System
Windows 10 Enterprise
Monitor
Samsung NU8000 55Inch TV (Its a 4k TV But I run in it 1440p 120hz)
Monitor
LG 1080p 34 Inch Diplay
Keyboard
Corsair k70 RGB Lux Mk2
Mouse
Logitech G700s
Mousepad
Razer Vespula V2
Audio
Custom Built 7.1 Surround System
Audio
HT-Omega eClaro 7.1 Sound Card
Audio
Focusrite Scarlett 18i20
Other
Aquantia 10Gb NIC
Other
LSI 9211-8i
Other
Oculus Rift HMD
Other
10 ML120 + 6 ML140 Corsair Maglev Fans
Other
Phanteks Halo aRGB LUX x5
▲ hide details ▲
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