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What Power Supply do I use???

kaisteinke
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Hello, I am building a PC. I do  not know what Power Supply I should use. My PC will be needing 459 Watts but should I get a 500W one or a 650W or an 850?? Does this really matter or should I just choose a random 500W? Thank You.

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what are your components?

what is your budget?

what is your location?

 

also, never choose random PSUs as there are many bad PSUs out there, even from reputable brands

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This thread might better be suited in the "Cases and Power Supplies" category. But apart from that, here are two pinned threads from that category:

 

CPU: Ryzen 3700X VGA: MSI RX 5700 8G RAM: 32GB 3200MT/s DDR4 Motherboard: B450 Aorus Pro

Storage: 2x1TB Crucial P2, 1TB Crucial MX500, 36TB NAS Cooling: Custom Loop 360mm & 280mm

PSU: Super Flower Golden Green HX 650W Case: Phanteks Enthoo Luxe

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Get a 650w or 700w so you have room for upgrades in the future. If you choose a PSU with the wattage of your current config you're pretty much locking yourself down to that being the first upgrade before you get a new CPU/GPU in the future. 

My rig:

CPU: Ryzen 5 3600 3.6Ghz, OC'ed to 4.2Ghz all core @ 1.325ghz + Corsair H60 120mm AIO

MB: Gigabyte B450 I Aorus Pro WiFi

RAM: G.Skill TridentZ 16GB (2 x 8GB) 3200Mhz 16-18-18-38 XMP enabled

GPU: Gigabyte RTX 2080 Super

*bought for $200 CAD off a friend who needed an RTX 3080, price was my reward.

CASE: InWinn A1 Plus in White with included 600w gold sfx PSU and included custom length cables

DISPLAY: 3x 20" AOC 1080p 60hz 4ms ,  32" RCA 1080p/60 TV mounted above, all on a single arm.

 

Storage: C : 1TB WD Blue NVMe      D : 2TB Barracuda      E: 240GB Kingston V300 (scratch drive)

NAS: 240GB Kingston A400 + 6x 10+ year old 700GB Barracuda drives in my old FX8350+8GB DDR3 system

Mining Rack: 240GB Kingston A400 + 5x RX 580 8GB + 2x GTX 1070 + 1x GTX 1660ti + 6GB DDR3 + Core2Quad Q6600

 

Logitech G15 1st Gen + Logitech G602 Wireless

Steam Controller + Wired XB1 controller + Logitech G29 Racing Wheel + Wingman Extreme Digital 3D Flight Stick

Sennheiser HD 4.40 Headphones + Pixel Buds 2 + Logitech Z213 2.1 Speakers

 

My Girlfriends Weeb-Ass Rig:

Razer Blade Pro 17 2020

10th Gen i7 10875H 8c/16t @5.1ghz 

17.3" 1080p 300Hz 100% sRGB, factory calibrated, 6mm bezel

RTX 2070 Max-Q 8GB

512GB generic NVMe

16GB (2x8GB) DDR4 3200Mhz

Wireless-AX201 (802.11a/b/g/n/ac/ax), Bluetooth® 5.1, 2.5Gbit Ethernet

70.5 Whr Battery

Razer Huntsman Quartz, Razer Balistic Quartz, Razer Kraken Quartz Kitty Heaphones

*deep breath*

Razer Raptor 27" monitor, IT'S BEAUTIFUL.

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IMO a good 650w is well above most would need in a single GPU system. 

Could you let us know the spec you are going to need the psu for?

 

I would rather get a good quality psu with enough wattage, than a crap one with all the wattage you don't need.

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4 hours ago, Chronified said:

Get a 650w or 700w so you have room for upgrades in the future. If you choose a PSU with the wattage of your current config you're pretty much locking yourself down to that being the first upgrade before you get a new CPU/GPU in the future. 

That's utter nonsense.

There is absolutely no reason why you should need 650 or 700W in the Future and a better quality PSU is preferabely (ie 450 or 550W Bitfenix Formula) over a shitty 700W one (ie Thermaltake Smart RGB), especially since the 450/550W is more expensive.

 

So pls stop saying such nonsense, when you do not know what the future will bring.

Especially since people like JonnyGURU himself are saying that there might be some big changes in a year or two that will render most modern PSU completely useless (new power saving shit)...

5 hours ago, kaisteinke said:

Hello, I am building a PC. I do  not know what Power Supply I should use. My PC will be needing 459 Watts but should I get a 500W one or a 650W or an 850?? Does this really matter or should I just choose a random 500W? Thank You.

You should get a good one.

And if you claim "will be needing 459W", you mean according to some bullshit Online Software that overestimates by a mile because they make more money with more watt??

 

Because a normal PC is more in the 300-400W range - getting over that is rather hard (and expensive). So a good 550W is more than sufficient, since there are no good 500W ones...

 

A high quality PSU is more important than the wattage ie having a be quiet Straight Power 11 with 550W than some cheap shit with "700W"...

"Hell is full of good meanings, but Heaven is full of good works"

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15 hours ago, Stefan Payne said:

And if you claim "will be needing 459W", you mean according to some bullshit Online Software that overestimates by a mile because they make more money with more watt??

I really agree that most system don't really go over 500w, I had built power hungry system like FX 8370 paired with the R9 fury. Which only draw above 400w with synthetic load.  And most gaming pc use much less power than that. 

 

So I am very curious how OP gets the 459w number.

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4 minutes ago, Type 2501 said:

I really agree that most system don't really go over 500w, I had built power hungry system like FX 8370 paired with the R9 fury. Which only draw above 400w with synthetic load.  And most gaming pc use much less power than that. 

 

So I am very curious how OP gets the 459w number.

Probably used an online calculator

 

Desktop

CPU: Intel i7-12700k   I   MB: MSI z690 Force   I   GPU: EVGA RTX 3080 12GB FTW3 Ultra   I   RAM: 32GB Crucial DDR5 4800mhz  I   SSD:  1TB NVMe    I  HDD: 4TB WD Black   

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