Question Which power supply?

Jan 4, 2021
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Hi guys, i'm building a pc and i have no idea what power supply i need for my system.

These are the components:
- Ryzen 5 2600X
-Radeon RX 5500 XT 8 GB
-PNY XLR8 RGB 2 x 8 GB RAM
-Gigabyte B450M GAMING Motherboard
-Gigabyte 256GB SSD m.2
-Seagate Barracuda 2TB HDD

Does anyone know what wattage i need for this system? Or does anyone know how i can determine which power supply i need?

Thanks
 
Sep 21, 2020
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try this, it will give you an estimate. I think it calculates maxes under load but i'm not entirely sure. Typically systems don't run at full draw anyway. So basically what i do is leave about 100-200w over and i've never had an issue. Though you could also be thinking about the future, some cards/chips are eating up more. For instance in my system with my current card at a 1060 i come in around 375. ( i figured on 400 and i got a 620w PS). If i swap that card to a 3080 it adds 200w!

Some people do try to go higher so their PS runs at a lower range, some say it's quieter, but my comp is either gaming with sound on or sleeping and it's quiet when i surf so i never really have an issue. Also over clocking can add more and the larger PS can be a bit more stable on higher draws.

https://www.newegg.com/tools/power-supply-calculator/
 
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Lutfij

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Jan 2, 2020
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At least a 550W reliably built PSU for the entire system but I'd ask to keep some more watts as headroom if you intend to overclock on the system listed above.
 
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Jan 4, 2021
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At least a 550W reliably built PSU for the entire system but I'd ask to keep some more watts as headroom if you intend to overclock on the system listed above.
The calculator you listed tells me my system will consume about 330 Watts. So let's say i get a PS of about 500 Watts will be safe?
 

Lutfij

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Jan 2, 2020
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I didn't list a PSU calculator. I also want you to know that wattage isn't the only thing you look for in a PSU, you should invest in a reliably built(read quality) PSU if you don't want the rest of your investments to remain intact. I've also seen people who had a house fire due to a badly built PSU.
 
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Lutfij

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Jan 2, 2020
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650W version yes, 550W version no, not for your build. What sort of a budget are you looking at and what is your preferred site for purchase? Newegg? PCpartPicker?
 
Jan 4, 2021
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650W version yes, 550W version no, not for your build. What sort of a budget are you looking at and what is your preferred site for purchase? Newegg? PCpartPicker?
I don't live in the US so I can not use newegg for parts. I selected one of the bigger PC part shops in my country.
Also, I am already above my budget, XD
 

Lutfij

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Jan 2, 2020
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Mentioning where you're located is a good idea and also mentioning a local PC part's site for us to look at would help us understand what you have access to, otherwise we're just flying blind. You've spent a good amount on your innards for the PC, you can't spent a fraction of that to protect your investments? The PSU is considered the heart of the system. If it has a heart attack, the rest will suffer as well.
 
Jan 4, 2021
10
2
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Mentioning where you're located is a good idea and also mentioning a local PC part's site for us to look at would help us understand what you have access to, otherwise we're just flying blind. You've spent a good amount on your innards for the PC, you can't spent a fraction of that to protect your investments? The PSU is considered the heart of the system. If it has a heart attack, the rest will suffer as well.
I'm based in the Netherlands, and I order my parts from the site www.azerty.nl
Also, i wanted the build to stay under a certain price, but its not a big deal if i spend some more.
 

Lutfij

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Jan 2, 2020
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Here you go:




That last link is practically bomb proof and you can hold onto the unit for a long while, in spite of an overclock. You can also drop in an RX6700's when they come out(hopefully in March 2021...just hope it's not a paper launch).
 
Last edited:
Jan 4, 2021
10
2
15
Here you go:




That last link is practically bomb proof and you can hold onto the unit for a long while, in spite of an overclock. You can also drop in an RX6700's when they come out(hopefully in March 2021...just hope it's not a paper launch.
Okay, that helped me a lot in making a choice, thanks
 
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Sep 21, 2020
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500 or 550 will be fine for your needs. If you really wanna go bigger you can, but the only reason why i would do that is if you don't wanna buy a new PS in 5+ years. The newer cards take more power. The 300 or future 400 will need more. Nividia suggests 650 for a 3060 TI, and 750 for a 3080. They take over double the power of the 10 series.
 
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Oct 2, 2020
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my 3060ti runs fine on my 500w EVGA psi, i just swapped the old 1060 out and it its been fine, saved me ££ on a new one for no reason
 
Sep 21, 2020
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my 3060ti runs fine on my 500w EVGA psi, i just swapped the old 1060 out and it its been fine, saved me ££ on a new one for no reason

Thanks for that bit of info! I did just buy a 650w PS for my new system. i'll be making that exact swap down the road. :) SO it is nice to know i have enough head room. I was really kicking myself for not going up to the 750, (only because it was out of stock) Sorta buyers remorse, but i think if it will run my i310100+3060 TI i'll be good to got for a good 5+ years :)
 

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