Need help finding right size PSU please :)

May 21, 2018
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My current PSU failed last night unsurprisingly, it was a ATX-TL450W, with dimensions of 145mm x 135mm x 83mm. I am looking for something that will fit in a similar area size and runs between 450-650 W. Thank you!

 
Solution

And here is where you're wrong. The standard dimensions of ATX PSU is: 150mm (W) x 86mm (H) x 140mm (D) where only the depth varies.

Also, there are plenty of good quality ATX PSUs around that are only 140mm long. Most notable is Seasonic Focus+ 80+ Gold lineup where all PSUs in that lineup have dimensions of: 150mm (W) x 86mm (H) x 140mm (D),
specs: https://seasonic.com/focus-plus-gold

Seasonic Focus lineup (semi-modular units) and Focus+ 80+ Platinum also have the same dimensions,
specs: https://seasonic.com/focus-gold
specs: https://seasonic.com/focus-plus-platinum

And for Seasonic PRIME family (great quality PSUs), Prime Ultra...
May 21, 2018
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Hey thanks for the response! So even though i bought this computer prebuilt, anything should still fit that? What else should I worry about, I was thinking of getting the seasonic prime ultra platinum, is there anything else I should check before buying though?
 

Rexper

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Apr 12, 2017
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It isn’t true that all PSUs are the same size and also isn’t true that any PSU can fit any case.

Your power supply is rather small for an ATX form factor. There aren’t any decent PSUs that size. Assuming your case can support a 150mm * 140mm * 86mm power supply, here is a list of power supplies that should all be at least decent quality: https://tweakers.net/categorie/664/voedingen/producten/#filter:TY1LCsMgAETvMmtbNB81HiDQRVdZli4kkWJJGtFQSoN3r6alZDXM4w2zYvaD8a014wAF5-09gHxhN_slMR36P3GmPyXvwAicvpnOvg0Uo5TkZW_O9gGVSkhea8fF-AC1ghUNzfnUI9QFoqhLXCNBVXKe-ZRnKLEhwfeqrJt0LiSnW9QyRyXlby_Ybi-PWZr0KxVW0dRijB8

Full system specs + retailers + budget would be needed to know for a specific PSU recommendation.
 

Aeacus

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And here is where you're wrong. The standard dimensions of ATX PSU is: 150mm (W) x 86mm (H) x 140mm (D) where only the depth varies.

Also, there are plenty of good quality ATX PSUs around that are only 140mm long. Most notable is Seasonic Focus+ 80+ Gold lineup where all PSUs in that lineup have dimensions of: 150mm (W) x 86mm (H) x 140mm (D),
specs: https://seasonic.com/focus-plus-gold

Seasonic Focus lineup (semi-modular units) and Focus+ 80+ Platinum also have the same dimensions,
specs: https://seasonic.com/focus-gold
specs: https://seasonic.com/focus-plus-platinum

And for Seasonic PRIME family (great quality PSUs), Prime Ultra 80+ Platinum 550, 650 and 750 also have the same small dimensions,
specs: https://seasonic.com/prime-ultra-platinum

Same goes for Prime Ultra 80+ Gold 550, 650 and 750 units,
specs: https://seasonic.com/prime-ultra-gold

Also, your lack of knowledge about PSUs won't help OP going with a good quality PSU. The link you provided contains PSUs from great quality to the low quality and when it comes to the PSUs, "should be decent quality" isn't enough.


You're completely fine going with Seasonic PRIME Ultra 80+ Platinum 550 or 650 unit since both have depth of only 140mm and they fit nicely into your PC case. On top of that, Seasonic PRIME family is the best offered by Seasonic and you'll get hefty 12 years of warranty with your unit. No other PSU OEM/retailer offers more than 10 years of warranty to their PSUs.

All my 3 PCs: Skylake, Haswell and AMD are also powered by Seasonic while i have PRIME unit in my Skylake build (full specs with pics in my sig).
 
Solution

Rexper

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Apr 12, 2017
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wrong. The standard dimensions of ATX PSU is: 150mm (W) x 86mm (H) x 140mm (D) where only the depth varies.

Did you read what size OP’s psu was. Notice how it deviates from the standard? With different height, length and width. That is why I said it is uncommon, because as you say it’s usually just the length that changes in the ATX form factor.

Also, there are plenty of good quality ATX PSUs around that are only 140mm long

Never said there weren’t...

And I don’t believe those primes are 140mm: https://www.kitguru.net/components/power-supplies/zardon/seasonic-prime-850w-gold-psu-review/all/1/

from great quality to the low quality and when it comes to the PSUs, "should be decent quality" isn't enough.

You’re joking right? Did you somehow miss my last sentence? Without full system specs or budget it is quite impossible to know which unit will be “enough”.

The list of PSUs I suggested all are at least DCDC, so filters out a lot of the garbage on the market.

No other PSU OEM/retailer offers more than 10 years of warranty to their PSUs.

And you never know if Seasonic will last that long. There were many PSU brands that were doing successful 10 years ago, but not at all now. Warranty is just overrated/marketing at this point.
 

Aeacus

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OP's blown PSU is "Apevia 450W Power Supply" and that unit is crap quality. It's so bad of an unit that it's dimensions even doesn't match to the dimensions of ATX PSU standard,
specs: http://apevia.com/productsInfo.asp?KEY=ATX-TL450W
review: https://www.hardwaresecrets.com/apevia-turbolink-atx-tl450w-bk-power-supply-review/


Sure you did. Also, you need to get your facts straight. What you linked is PRIME 850 80+ Gold and that unit has 170mm depth. In fact all PRIME 80+ Gold units have 170mm depth,
specs: https://seasonic.com/prime-gold

What i suggested above is PRIME Ultra 80+ Gold series which is completely different PSU line from Seasonic. And as i said above, PRIME Ultra 80+ Gold 550, 650 and 750 units do have depth of 140mm.


I don't need to know the full system specs and budget to suggest which units are good build quality and safe to use in a system. Full system specs are only needed to calculate PSU's wattage and budget defines if OP is able to go with expensive, great quality PSU (e.g Seasonic PRIME Ultra) or more wallet friendly, good quality PSU (e.g Seasonic Focus+ 80+ Gold).

Clearly you don't know the build quality differences between those units you suggested. For example, Corsair VS series is the worst offered by Corsair and it's a low quality unit. I wouldn't use it to power even an office PC that doesn't have dedicated GPU in it and where PSU never sees any high loads, let alone powering a gaming PC with it.

When you're in the hole, stop digging.

Also, why to give OP a link to the Netherlands site? Just because you can speak Dutch doesn't mean OP can. That, and also if OP were to use your site to buy his new PSU, all the links there link to the local Netherlands stores. For all you know, OP can be from the States with different currency in use (USD vs EUR) and a pond (Atlantic ocean) separating the store and OP's location.


Seasonic isn't just some obscure PSU brand that can go under in 10 years. In fact, Seasonic is one of the oldest PSU OEMs in the world and they have been in business for over 40 years (founded in 1975).
Besides releasing PSUs under their own name, Seasonic also makes PSUs to other popular brands. To name the few: Corsair AX series, EVGA Supernova GS series, XFX TS series, NZXT Hale82 series.
Also, Seasonic hasn't never made a bad quality PSU in their time (unless you count some noisy fans in their older models). PSU build quality wise, Seasonic is the leading OEM in the world. And depending on who you ask, either Seasonic or Super Flower is considered the best PSU OEM in the world.

You have a lot to learn when it comes to the PSUs and i suggest that you do learn more about PSUs if you want to give good advice to others, without saying vague things like: "... that should all be at least decent quality.".