PSU tier list 2.0

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I must admit I am finding the list slightly hard to follow as well, but then I think I have now lost my mind so much in choosing the parts of my computer that I am now dribbling.

A few of the PSU's seem to be in different tiers but are essentially the same (if not the same) manufacturer and platform and even identical or near identical parts inside from some reviews that I have read? Or am I getting it wrong?

I am now trying to decide between XFX 850W XXX, EVGA 850W B, or A Corsair RMi750..
 


In terms of electrical performance it's the Corsair RM750i that is the best of the three you've listed.
 
Just another thing.
XFX 650W XTR 80+ gold or EVGA Supernova G2 850W 80+ gold?
These are the best I've found in my country and there isn't any of the same wattage to compare these brands. The price between them is similar but I don't think I'll need all that power. What do you guys think I should go with? I'm really going towards EVGA, I've reached their support and they were very cordial.
 


Depends on your build. the 650W would be good for 1 Graphics Card, the 850W for 2 graphics cards. Without seeing your build, I can't give more info than that.
 
Sorry, I'm going for 1 card, standard , this is my current build:
MOBO: GA 970A dS3P
RAM: Corsair Vengeance 4GB x(2) 1600mhz
CPU: AMD FX 6300 3.5 Ghz
GPU: GIGABYTE AMD Radeon R9 270 Windslash OC
PSU: Thermaltake 650W Smartseries 80 plus bronze
HD: Seagate 1T 7200
Case: Thermaltake V3 Black edition

I'll replace the GPU also. Maybe going for R9 280x or something like that.
 
My apology if this has been answered previously, but can someone identify which tier this PSU belong to ? I can't seem to find it on the list on the first page:

Thermaltake Toughpower TPD-0750M - SLI/ CrossFire
 
Hmmm, Anandtech's review of the Corsair CS-450M is a lot better than I had expected. The caps are all 105C, and it ran well at well over its 40C rating. I may buy one. It should probably stay on Tier-3 due to limited connectivity, but internally it might punch a little over its weight.
 


The primary holdup cap is a Japanese Rubycon 400V, 390µF, 85°C.

The secondary is a mix of second tier Teapo and third tier Elite 105°C caps with some CapXon solid polymer caps.
 
Anandtech didn't seem too worried about the caps, especially because this unit shouldn't run too hot; they had it well over its 40C rating. It only comes with one PCIe power cable, which would further limit what someone would be able to pull out of it.
Are there reports of premature failures of these, like for the CX?
 


You can check some published return rates here for the CS550 and CS650:

http://www.hardware.fr/articles/934-3/alimentations.html
http://www.hardware.fr/articles/934-8/conclusion.html

In summary, the Corsair CS450M is a very well made, reliable PSU that offers good overall performance, though without fancy bells and whistles.
How did AnandTech.com determine reliability when there was no test for that? A sample of one PSU is not a reliability test.
 
Hi guys I would appreciate it if you could help me choose a psu for my first build. I am going to be running an i5-4690K cpu, MSI GTX970 graphics card, one 850EVO ssd and one WD Caviar Blue HDD. It seems like the wattage requirement s quite low at below 400 but I want to make sure its futureproofed for a future graphic card upgrade. I don't want to spend a bucketload of money on my psu but I do know that I should get one of good quality. I am living in Adelaide at the moment and can get my parts from MSY (http://cdn.msy.com.au/Parts/PARTS.pdf) or possibly Allneeds (http://www.allneeds.com.au/) if necessary. Thanks! :)
 



Antec HCG Modular 520M (from pdf list at cdn.msy.com)
 


Wow did not expect such a quick response. Thank you very much kind sir!
 


You are welcome. It will be enough power for GTX 970 or 980. Beyond that you will need more power.
 


It's not Haswell compatible. While it will work you will have to disable the low power C states in BIOS. The Antec True Power Gold 550w is a much newer design and is 80 Plus Gold certified vs 80 Plus Bronze with the older HCG 520. It's only $13 more on the MSY list.
 
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