550w is the standard bearer for a power supply for a few reasons.
-It usually comes with a sufficient amount of PCI-E power connection cables
-550w will work with most graphics cards except ultra high end cards. This gives you more flexibility when it comes to upgrading the graphics card.
-550w is the defacto standard if you want a decent quality power supply. These are 80-plus Bronze units like the Corsair CX550 or the EVGA 550w B3. The 400w to 475w units on the market are not the best quality you can find, or they aren't a good value when compared to a 550w unit.
- Usually when you factor in performance per dollar, you're getting a decent deal on a quality 550w power supply.
-If you're patient then you will find one that is on sale at a decent price. The Seasonic M12II 520w is one that goes on sale frequently and sometimes you can get one at a bargain. There are other times M12II 620w is a good deal.
I have an intel core i5 7600k and 16 Gb of ram and I have a 650w psu which is WAY overkill. I would say minimum of 430w but I would get 500w just to be on the safe side. And besides they aren’t that much pricier. Make sure that you also look to make sure it is 80+ certified. It doesn’t matter what degree of certification just as long as it is certified. Also make sure to look at modular, semi modular, and non modular power supplies. If you don’t want unnecessary cables in your case, go for modular. If you don’t mind a couple of extra cables, go for semi modular. However, if you have something called a power supply basement, just get a non modular. Do your research before you buy and look for sales and the best deals.
CPU: spec says 65w but after over clock and under high load, it will probably reach 100w and maybe little over for AMD
Mobo: most likely around 70w
GPU: 120w but after OC will probably reach close to around 145w
RAM: about 5w per stick
Storage: depends on if is hdd or ssd. hdd uses little more so I'll go with that at about 15w
Total: 335w
You can say 350w psu is good enough for sure but not many good psu is at 400w and below. The reason I recommend CX450 is because it is only like $22 on newegg right now. It is a 80+ bronze so really worth the money.
Just use an accurate PSU calculator, but make sure to plan for future upgrades so you don't have to get a new one when you buy a new card or something.
psu sizer applet. i use the online one linked at lower left of newegg's power supplies page. you have to manually add more if you overclock. see techie website reviews for added power consumption if you overclock
Answers & Comments
550w is the standard bearer for a power supply for a few reasons.
-It usually comes with a sufficient amount of PCI-E power connection cables
-550w will work with most graphics cards except ultra high end cards. This gives you more flexibility when it comes to upgrading the graphics card.
-550w is the defacto standard if you want a decent quality power supply. These are 80-plus Bronze units like the Corsair CX550 or the EVGA 550w B3. The 400w to 475w units on the market are not the best quality you can find, or they aren't a good value when compared to a 550w unit.
- Usually when you factor in performance per dollar, you're getting a decent deal on a quality 550w power supply.
-If you're patient then you will find one that is on sale at a decent price. The Seasonic M12II 520w is one that goes on sale frequently and sometimes you can get one at a bargain. There are other times M12II 620w is a good deal.
I’d go for a 550 watt PSU from a reputable brand like EVGA, Corsair or cooler master.
I have an intel core i5 7600k and 16 Gb of ram and I have a 650w psu which is WAY overkill. I would say minimum of 430w but I would get 500w just to be on the safe side. And besides they aren’t that much pricier. Make sure that you also look to make sure it is 80+ certified. It doesn’t matter what degree of certification just as long as it is certified. Also make sure to look at modular, semi modular, and non modular power supplies. If you don’t want unnecessary cables in your case, go for modular. If you don’t mind a couple of extra cables, go for semi modular. However, if you have something called a power supply basement, just get a non modular. Do your research before you buy and look for sales and the best deals.
A cheap Corsair CX450 would be more than enough.
CPU: spec says 65w but after over clock and under high load, it will probably reach 100w and maybe little over for AMD
Mobo: most likely around 70w
GPU: 120w but after OC will probably reach close to around 145w
RAM: about 5w per stick
Storage: depends on if is hdd or ssd. hdd uses little more so I'll go with that at about 15w
Total: 335w
You can say 350w psu is good enough for sure but not many good psu is at 400w and below. The reason I recommend CX450 is because it is only like $22 on newegg right now. It is a 80+ bronze so really worth the money.
Just use an accurate PSU calculator, but make sure to plan for future upgrades so you don't have to get a new one when you buy a new card or something.
Here's two of the better ones I've found:
https://outervision.com/power-supply-calculator
http://www.coolermaster.com/power-supply-calculato...
I don't trust Newegg's PSU calculator, every time I've used it it says I need a 200+ more watts than I actually need.
Also get a good brand PSU. The cheaper ones can't be reliably run near what they claim to be able to run.
psu sizer applet. i use the online one linked at lower left of newegg's power supplies page. you have to manually add more if you overclock. see techie website reviews for added power consumption if you overclock
Minimum of 400 watts, but 500w would be better (most are only 80% efficient).