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PSU Wattage

Bodelz
By Bodelz
in New Builds and Planning
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Posted

Depend on the cpu.

500w will do the job.

Ryzen 5700g @ 4.4ghz all cores | Asrock B550M Steel Legend | 3060 | 2x 16gb Micron E 2666 @ 4200mhz cl16 | 500gb WD SN750 | 12 TB HDD | Deepcool Gammax 400 w/ 2 delta 4000rpm push pull | Antec Neo Eco Zen 500w

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9 minutes ago, Bodelz said:

On pcpartpicker it my build only requires around 300 watts. I do plan on over clocking and was curious if a 750 watt power supply would be too much. Please let me know how to find the right power supply.

You can copy the permalink and share the parts list for us to see and make some recommendations

I WILL find your ITX build thread, and I WILL recommend the SIlverstone Sugo SG13B

 

Primary PC:

i7 8086k - EVGA Z370 Classified K - G.Skill Trident Z RGB - WD SN750 - Jedi Order Titan Xp - Hyper 212 Black (with RGB Riing flair) - EVGA G3 650W - dual booting Windows 11 and Fedora Linux - Black and green theme, Razer brainwashed me.

Draws 400 watts under max load, for reference.

 

PSU tier list

How many watts do I need?

PSU misconceptions, protections explained, group reg is bad

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You can't have "too much" wattage. Your components will use what they use. You don't draw more power just because the PSU is capable of delivering more wattage. The only real limit is price, and the reason to get one closer to your actual usage is just so you don't spend a bunch of extra money that you don't need to. However, running something like 750W isn't crazy, even if you don't actually need that much, and it will give you room to grow in the future.

CPU: AMD Ryzen 9 9950X3D · Cooler: Noctua NH-D15S Chromax.black · Motherboard: Gigabyte Auros X670 Elite AX · RAM: G.Skill Flare X5 64GB (2 x 32GB) DDR5 6000MHz CL30 · Graphics Card: Zotac NVIDIA GeForce RTX 4070 Super Twin Edge OC 12GB · Boot Drive: 1TB XPG Gammix S70 Blade NVMe SSD · Game Drive: 2TB WD SN850X NVMe SSD · PSU: Seasonic Focus GX V3 1000W 80+ Gold · Case: Fractal Design North Mesh · Monitor: MSI Optix MAG342CQR 34” UWQHD 3440x1440 144Hz · Keyboard: EPOMAKER x Aula F99 Wireless Mechanical Keyboard · Mouse: Logitech G309 Lightspeed Wireless Gaming Mouse

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One reason to get a better sized psu is that often a much better model can be had at a similar price.

 

https://pcpartpicker.com/product/3H2bt6/seasonic-focus-550-w-80-gold-certified-fully-modular-atx-power-supply-focus-gx-550

 

https://pcpartpicker.com/product/7y4BD3/super-flower-leadex-iii-gold-550-w-80-gold-certified-fully-modular-atx-power-supply-sf-550f14hg

 

https://pcpartpicker.com/product/VbhmP6/super-flower-leadex-iii-gold-650-w-80-gold-certified-fully-modular-atx-power-supply-sf-650f14hg

80+ ratings certify electrical efficiency. Not quality.

 

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PCPartPicker Part List

CPU: AMD Ryzen 7 5800X 3.8 GHz 8-Core Processor  ($418.89 @ Amazon) 
CPU Cooler: Scythe FUMA 2 51.17 CFM CPU Cooler  ($59.99 @ Amazon) 
Motherboard: MSI MPG B550 GAMING EDGE WIFI ATX AM4 Motherboard  ($179.98 @ Amazon) 
Memory: Team T-FORCE VULCAN Z 16 GB (2 x 8 GB) DDR4-3200 CL16 Memory  ($82.99 @ Amazon) 
Storage: Silicon Power A80 1 TB M.2-2280 NVME Solid State Drive  ($114.99 @ Amazon) 
Case: *Corsair 275R Airflow ATX Mid Tower Case  ($79.98 @ Amazon) 
Power Supply: MSI 650 W 80+ Gold Certified Fully Modular ATX Power Supply  ($94.99 @ Amazon) 
Total: $1031.81
Prices include shipping, taxes, and discounts when available
*Lowest price parts chosen from parametric criteria
Generated by PCPartPicker 2021-05-22 10:05 EDT-0400
 

750W would be enough, but the orignal PSU you picked is pretty low quality. 
 

(I also made some changes to help optimize your build, add a GPU on your own because I don’t want to add a 1660S for $700 D:)

geometry is hard
b550 > x570

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