good PSU buy?

computerwiz1101 · Oct 18, 2017

So i need to buy a new psu, i looked up the list of psu and this is on the list, i dident kno u could get as fully modular psu and quite decent for under $100. this is what i'm getting.. https://www.newegg.com/Product/Product.aspx?item=N82E16817438054 thoughts??

superninja12 · Oct 18, 2017

what are you going to to power?

full spec list? including case motherboard cpu gpu(brand+model)

raisonjohn · Oct 18, 2017

That (EVGA SuperNova G2 650) is a high-quality unit, made by Super Flower based on their Leadex Gold II platform. 7-year warranty and exceptional performance/reliability/efficiency.

More often than not, the 550W version will suffice for most single-GPU PC setups. However, since the price of the 650W version you linked is lower than the 550W, the former is a good buy, esp. if you intend to overclock and/or add more powerful components in your rig in the future.

computerwiz1101 · Oct 18, 2017

superninja12 :

case-bitfenix prodigy
motherboard-asrock j3455 (intergrated cpu)
gpu-none
3 HDD

computerwiz1101 · Oct 18, 2017

raisonjohn :

i dont intend to OC or add a any gpu in fact lol

raisonjohn · Oct 18, 2017

If you don't intend to OC or add any GPU, then, you don't need to spend $60-$80 for such 650W PSU.

From the parts you listed, and still considering a solid PSU for longevity/reliability, the Corsair CX450M, at $35, would be way more than enough for your needs:

PCPartPicker part list / Price breakdown by merchant

Power Supply: Corsair - CXM (2015) 450W 80+ Bronze Certified Semi-Modular ATX Power Supply ($34.99 @ Newegg)
Total: $34.99
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2017-10-18 03:52 EDT-0400

superninja12 · Oct 18, 2017

^thats one option.
PCPartPicker part list / Price breakdown by merchant

Power Supply: SeaSonic - FOCUS Plus Gold 750W 80+ Gold Certified Fully-Modular ATX Power Supply ($78.99 @ SuperBiiz)
Total: $78.99
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2017-10-18 04:03 EDT-0400

The reason I recommand this is because:

1) the 750w version is somewhow cheaper than the 650w and 550w version? and the psu will only deliver the power the pc needs

2) this is a smaller unit than the psu john recommanded and fully moduler, this will be a blessing to work with especially in small cases like that.

3) I know this is not needed for your pc but its overkill, more efficient and a 10 year warranty.

computerwiz1101 · Oct 18, 2017

superninja12 :

^thats one option.
PCPartPicker part list / Price breakdown by merchant

Power Supply: SeaSonic - FOCUS Plus Gold 750W 80+ Gold Certified Fully-Modular ATX Power Supply ($78.99 @ SuperBiiz)
Total: $78.99
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2017-10-18 04:03 EDT-0400

The reason I recommand this is because:

1) the 750w version is somewhow cheaper than the 650w and 550w version? and the psu will only deliver the power the pc needs

2) this is a smaller unit than the psu john recommanded and fully moduler, this will be a blessing to work with especially in small cases like that.

3) I know this is not needed for your pc but its overkill, more efficient and a 10 year warranty.

sweet will get that thanks!

superninja12 · Oct 18, 2017

Glad we could help you

Thanks for asking!

ZRace · Oct 18, 2017

Just chipping in to say that 750W is extremely overkill for a lone Celeron CPU... 450W would be the max I'd go

computerwiz1101 · Oct 18, 2017

ZRace :

true true but this is going to be on 24/7 so i dont mind getting somthing more expensive for better thouput

ZRace · Oct 18, 2017

24/7 doesn't mean you need more power, but a high-quality PSU (which the linked 750W definitely is).

I just fear that your power draw will be so low, the big PSU won't get into the region where it gets efficient (above 20% load, optimal at 50%). That region would be from 150W to 375W, and your build will most definitely stay below 200W even when everything's under full load (the Celeron draws less than 15W afaik).

A Super Flower Golden Green HX 350W would become reasonably efficient at 70W at reach it's peak efficiency at around 175W, so I think this would be perfect for you use case. Of course, that would mean you get less W/$, but I think in this special case this sacrifice would be worth it

computerwiz1101 · Oct 18, 2017

ZRace :

right i never thought of the whole omptial range of wattage where it kicks in and how much power i will be using, but yeah less is more. thats only avalabe in the uk

i'll look for one that fully modular.

superninja12 · Oct 18, 2017

ZRace :

Hey man,

Thank you for your concern,

http://www.jonnyguru.com/modules.php?name=NDReviews&op=Story4&reid=524
if u get an error google jonnyguru seaosnic focus gold 750w review
If we look at the hot testing you can see at even 75-90w ( and im quite sure his usage is higher) the efficiency is already 85%, What does that hx cost?

ZRace · Oct 18, 2017

superninja12 :

I actually didn't read a review beforehand, I just went by some general values from experience. Truth be told, at 75W, the difference in efficiency is negligible. Only if you look at power draws below that (which may well happen often enough, depending on what the PC is to be used for), the 350W HX is a clear winner, thanks to similar efficiency levels at loads lower than 75W.
Price's less than 60€/50GBP - couldn't find a US price quickly due to Google only showing me EU results since I live in the EU :/

superninja12 · Oct 18, 2017

eu is quite big , from what country are you?

ZRace · Oct 18, 2017

I was gathering results from GB, France, Germany and Italy. But since OP states a price in $, I doubt this is of any relevance...

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