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Enermax 850W vs Seasonic 850W

J

JFA

Junior Member
Hi everybody, I am about to buy a new power supply. I would like to make decission between Enermax Revolution85+ 850W and Seasonic M12D 850W. What is important for my decision:
- high efficiency (230 V)
- low noise until 50% load
- readiness for future changes
Price is not very important (in Slovakia, EU both cost approximately the same).

Enermax has more PEG connectors, but the efficiency reach 85 at 20 % load. Seasonic reaches 85 % efficiency already at 10 % load. Seasonic is little bit more quiet, but according to review there is a ticking noise that can be heard from the heavily undervolted fan (it scares me a bit).

Can you help me ?
 
I don't understand the "it scares me a bit" comment.....nor the test that found "ticking noise" from that Seasonic. After reading 4 reviews, including H's, JonnyGuru's and Silent PC Review's (and they tend to be highly critical almost to the point of obsessiveness of noise generation)....none of the reviews mentioned ticking noise from the fan at all. If anything, most reviews complimented the fan as being very quiet until fully spun up when the power supply was under full load.....and that's about how they all are.

By "heavily undervolted fan", I guess you mean when the power supply is at low load conditions. That's about the way ALL cooling fans work.....unless they're PWM fans....they're undervolted when the ps is lightly loaded and the voltage is increased as loads increase to spin up the fan faster, consequently cooling the ps better.

Don't know what's to be afraid of with the Seasonic....if anything, it'd be on my very short list of excellent 850W power supplies (the Antec SG850 probably being the other.)
 
Seasonic 5 year warranty, Enermax 3 year warranty.

If you think you will need the 6 peg connectors (If you do, I would go for the 1050W instead) then get Enermax
If 2 more years of warranty matter, get the Seasonic,
otherwise flip a coin.
 
If you need an 850W PSU for your components, then it's very likely at idle the PC will load the power supply by at least 20% anyway. If it doesn't, then why do you need an 850W PSU? So either PSU should be fine.
 
Originally posted by: JFA
Hi everybody, I am about to buy a new power supply. I would like to make decission between Enermax Revolution85+ 850W and Seasonic M12D 850W. What is important for my decision:
- high efficiency (230 V)
- low noise until 50% load
- readiness for future changes
Price is not very important (in Slovakia, EU both cost approximately the same).

Enermax has more PEG connectors, but the efficiency reach 85 at 20 % load. Seasonic reaches 85 % efficiency already at 10 % load. Seasonic is little bit more quiet, but according to review there is a ticking noise that can be heard from the heavily undervolted fan (it scares me a bit).

Can you help me ?
Click to expand...

Many thanks to all of you. I already ordered the Seasonic. It's available in 3 days. Enermax is available in 14.
 
You'd be surprised how many people buy way more than they need. Mostly with the idea of SLI or Crossfire in the future, which rarely happens.
 
I agree with theAnimal. It is exactly my case. I decided to buy a PSU that is capable to provide 400W under 50 % load (mostly due to acoustic reasons). 400W is full load of my system in some 3D games.
 
Acoustics are important to a lot of people, and a lot of people have very sensitive ears. When I swapped my PSU for a Corsair 650 it changed the acoustic signature of my PC in a huge way, making the loudest component in my system (formerly the PSU) an old 7200.7 Barracuda HDD which made a notable throbbing buzz sound (that HDD is gone now, too).

Now I can hear my D5 Pump :frown: and I'm still working on a good noise cancellation scheme for that thing. That might get replaced as well.

...So, if you've already gone through your whole PC and eliminated sources of annoying noise, it's no wonder that reports of mechanical noise coming from PSU fans would concern you. If your PC is already silent as hell, then you will definitely notice something like a clicky fan motor. And it will bug the hell out of you.
 
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