Question Which One of These is the Best PSU?

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kt7000

Junior Member
Nov 15, 2012
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I'm currently about to build my first custom PC, and for the power supply unit, I've narrowed my choices down to these four models

Corsair AX1600i

EVGA SuperNOVA 1600 T2

Seasonic Prime TX-1600

Super Flower Leadex Titanium 1600W
www.super-flower.com.tw

Super Flower Computer Inc. - Computer case, Power supply

振華電腦為全球電源供應器專業製造商，以優秀的經營團隊，結合實力堅強的研發陣容，持續在市場上推出品質優良的產品
www.super-flower.com.tw www.super-flower.com.tw

Since they're all 1600W and 80+ Titanium, which brand is the most recommended?
 
In2Photos

In2Photos

Platinum Member
Mar 21, 2007
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I don't think you can go wrong with any of those units, but what kind of PC are you building that needs a 1600w PSU?
 
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Tech Junky

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Jan 27, 2022
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I e used a couple of EVGA units after getting burned by other brands and they hold up well.

@In2Photos - my guess would be at least dual GPUs at 600W/ea which still allows the base system 400W
 
Hail The Brain Slug

Hail The Brain Slug

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Oct 10, 2005
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According to Tom's Hardware review of the brand new Seasonic TX-1600 Prime, it was close but not quite good enough to dethrone the Corsair AX1600i as the highest performing power supply they've tested.
 
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BoomerD

BoomerD

No Lifer
Feb 26, 2006
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For many years, I would only buy Seasonic...or Corsair-branded, Seasonic built PSUs.
Jonny Guru has pushed me away from that stance recently because of manufacturing problems with Seasonic.

Several of the Super Flower Leadex remain as some of the best built PSU's available, but I DO NOT know for certain about the 1600 watt version. I'd be surprised if it was any less well built or capable.

Edit...that said, I just installed a Seasonic 750 watt PSU in my PC because the specs for my new EVGA RTX3070 "required" one.
I've never personally had a problem with a Seasonic power supply, and was pretty surprised to hear Jonny Guru come out against them after years of being told hiw they were among the best of the best.
 
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Charlie98

Charlie98

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Nov 6, 2011
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BoomerD said:
I've never personally had a problem with a Seasonic power supply, and was pretty surprised to hear Jonny Guru come out against them after years of being told hiw they were among the best of the best.
Click to expand...

Same here... that's disappointing about Seasonic. I bought an EVGA PSU a few years ago, I think it was a ShellShocker or something so I got it cheap, as a backup and test unit... Pretty pleased with it.

I just built a new PC for my buddy... his Dell was 10 years old and starting to have memory issues. The best thing at a reasonable price was another Bronze + EVGA PSU. So far, so good.
 
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Fallen Kell

Fallen Kell

Diamond Member
Oct 9, 1999
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Well, out of those, only Seasonic and Super Flower actually make PSUs. The others are rebranded and/or just tweaked designs made by other companies (with Seasonic and Super Flower being 2 of the 5 big manufacturers (Seasonic, SuperFlower, FSP, Enermax, and HEC)). Heck, pretty sure SuperFlower makes those EVGAs....
 
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K

kt7000

Junior Member
Nov 15, 2012
13
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Something that might play a factor in selecting one is what's the difference between ATX, ATX12V, and EPS12V?
 
Fallen Kell

Fallen Kell

Diamond Member
Oct 9, 1999
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More so than worrying about ATX, ATX12V, and EPS12V you should instead be worrying about ATX 3.0 instead. Those other standards have been around for 10+years, and are in any modern PSU. ATX 3.0 however is only just now arriving and is a bigger issue than most people suspect, especially if you are going to use next gen graphics cards.
 
Harry_Wild

Harry_Wild

Senior member
Dec 14, 2012
860
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BoomerD said:
For many years, I would only buy Seasonic...or Corsair-branded, Seasonic built PSUs.
Jonny Guru has pushed me away from that stance recently because of manufacturing problems with Seasonic.

Several of the Super Flower Leadex remain as some of the best built PSU's available, but I DO NOT know for certain about the 1600 watt version. I'd be surprised if it was any less well built or capable.

Edit...that said, I just installed a Seasonic 750 watt PSU in my PC because the specs for my new EVGA RTX3070 "required" one.
I've never personally had a problem with a Seasonic power supply, and was pretty surprised to hear Jonny Guru come out against them after years of being told hiw they were among the best of the best.
Click to expand...
“be quiet! is a brand owned by the German company Listan GmbH, which manufactures power supply units, CPU coolers, computer cases and case fans.”

.
 
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UsandThem

UsandThem

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May 4, 2000
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dlerious

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Mar 4, 2004
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bigboxes

bigboxes

Lifer
Apr 6, 2002
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I am currently using a Seasonic Prime 850 Titanium and a Seasonic Prime 1000 Titanium. Both run 24/7 without issue.
 
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