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Corsair AX 860 vs AX860i vs Seasonic Platinum 860

post #1 of 43
Thread Starter 
So I want to get a new power supply, for the time being a 650W would do fine, but I want this to be a future proof PC I could use in years to come, I figure by getting a 860W it still remains affordable, but would allow me to get something like SLI 770s. So far, I have only ever got Corsair power supplies, although I have recently paid attention to the fact that Corsair just uses rebranded Seasonic power supplies, which makes me wonder if perhaps i could avoid some of the Corsair premium they charge you and just get a Seasonic PSU.

Like I discussed, I would like 860W, and the contenders are the Corsair AX860, and its Seasonic equivalent - the Platinum 860, or the AX860i from Corsair.

My first question, is given the significant extra cost of the "i" PSU, does it offer any benefits? I understand its not actually a Seasonic power supply, rather one from another brand, which can manage power in a slightly different and more efficient way. As far as the "i" part and how you can plug it into your computer, so far as I can tell, all that let's you do is monitor the temperature and create a custom cooling profile, but I would probably just use the default profile anyway, so if that was the case it hardly seems worth it. Link

Second, regarding the 2 non-i power supplies, AX860, Seasonic Platinum.
Supposedly they are the same thing, except for a few minor details and provided cables, I assume they would therefore perform identical and I can choose which ever is cheaper/looks better? And I can't see on seasonic's website or anything, but what kind of sleeving does the Seasonic PSU have? My current AX650 from Corsair has nice black sleeving with completely black cables, but the preview of the Seasonic PSU shows coloured 24pin cables, which for someone concerned with how things looks, isn't very appealing.

Finally if anyone has any feedback regarding the customer support of Corsair vs Seasonic or anything like that, it could also help me make a decision.

Thanks for any help or suggestions, I'm not really familiar with power supplies, and it would make me feel a lot better about my purchase if I had the input of people who have some experience or knowledge in the area.
Edited by Tomha - 12/2/13 at 2:34am
post #2 of 43
First off most Corsair PSU´s are not Seasonic rebrands they are Channel Well Technology made units

Second you dont need 850/860 watts for GTX 770 SLI even with overclocks

700-750 can do it unless you want to overvolt in that case you are looking more towards 1000 watts

Corsair AX860/860i are not really worth buying the reason for this is first both are overpriced

And second the Corsair 860i is a broken stupid riopff

If you want a Seasonic KM3 unit you should look at the Cooler Master V series

Same KM3 platform as the AX760/860 and Seasonic X and Platinum

Just cheaper and as an added bonus there is almost zero coil whine on the V series

Corsair and Seasonic KM3 models are very well known for having coil whine

So no there is zero reason to buy Corsair or Seasonic if you can find the V

Closest shop i know in that area of the world that sells it is this one
http://www.mwave.com.au/searchresult/cooler%20master%20v%20series
Edited by shilka - 12/2/13 at 5:40am
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post #3 of 43
'lo there,

Before I get into everything, I should note that I've got an AX 750, and an AX1200 PSU, but I've done builds with Seasonic stuff, and it's quite nice.

Also the difference between the AX series and AXi series is:
Quote:
Originally Posted by http://www.tomshardware.com/answers/id-1707256/difference-corsair-760-860-760i-860i.html#. 
The AXi Series has its voltage regulation performed by DSP (i.e. Digital Signal Processor) instead of by conventional analog components.

There is a USB cable that is connected from the PSU to a motherboard USB header so that you can create and use your own fan speed profiles and monitor the PSU's power input and output, efficiency, fan speed, and internal temperature through the Corsair Link Dashboard Windows application.

In short any of the aforementioned PSUs will work well for what you want. I've been extremely happy with my AX series PSU. And I know everyone who I've worked with has had no problem with their Seasonic PSU

Also, Corsair customer service from what I've heard has been exceptional (Had an issue with RAM, no fuss RMA quite quick). No info on the Seasonic side... Never had or heard of anyone who has had to call them.

Cheers mate!
post #4 of 43
Corsair AX650/750/850 are Seasonic KM2

Corsair AX760/860 are Seasonic KM3

Corsair AX1200/760i/860i/1200i are Flextronics

The AXi models are a ripoff and the so called Corsair Link control software is as broken as its stupid
Edited by shilka - 12/2/13 at 5:41am
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post #5 of 43
Thread Starter 
Quote:
Originally Posted by shilka View Post

Second you dont need 850/860 watts for GTX 770 SLI even with overclocks

700-750 can do it unless you want to overvolt in that case you are looking more towards 1000 watts
http://www.mwave.com.au/searchresult/cooler%20master%20v%20series

I did wonder about this, some online calculators say for my setup with 2 770s I would want as much as 1000W, while others say 600W would be enough. I was going off this site, which I have seen many commend for its accuracy, and it suggested 850W for SLI 770s. However if you are reasonably sure 750W could do it, I have no problem with this as it just means I don't have to spend as much money biggrin.gif. I've overclocked my 7950 in the past though, and overvolted that from around 1.0 to 1.2V or something around there, if I was going to do something similar with the 770s would you say I would need 860 or more? As it stands, I have my eyes on a Gigabyte factory overclocked model, granted factory overclocks tend to be mild at best, even if I don't touch it, it may use slightly more volts, not sure if that would be an issue or not.

Looking into it, the Link does seem like more of a novelty thing to sell units for more, however in the case of corsairs 760s, the i variant can be found for only $20 more, which isn't too bad. If I went for a corsair power supply, I would be tempted by this.

You seem to be somewhat anti-corsair Shilka, what brands would you recommend? I see you mentioned a coolermaster PSU which I will have a look into, although I will admit their products have never appealed much to me (not really sure why).

I've used several Corsair PSUs before, and used them in multiple builds for other people, and never had any issues. Given there is hardly any difference between the Corsair and Seasonic PSUs, at the moment perhaps the main attraction for the AX series is the fact that they tend to come with half decent cable sleeving, which saves me having to spend a whole lot of money on sleeving and doing it myself. They aren't individually sleeved, but at very least they use black cables, from what I have seen of the Seasonic ones, they use some black sleeving, but there are still exposed multicoloured cables.

Anywho, I am gonna draw up a comparison table for the Coolermaster V PSUs, the Seasonic Platinums, and the Corsair ones, and start by looking at prices and stats. I can tell you now though, if I go for 860W, I won't get a 860i, because it's like $60 more expensive than all the other 860W PSUs.
post #6 of 43
You could easily find a used Cooler Master v 1000 for ~150. I was able to pick one up for 125 new only tested so they are there to find. They are the rebranded Seasonics that are rated "Gold" but perform majority of the time at "Platinum". So to reiterate what someone already said, I would try to get your hands on a Cooler Master V tbh.
post #7 of 43
No i dont like Corsair and i am not alone in that others here on OCN dont like their PSU´s either

But how i feel has nothing to do with the fact that the V is both cheaper then the AX760/860 and pretty much coil whine free

And no i am not saying all Corsair PSU´s are crap that would be a lie

But some of them are not very good and the rest are just overpriced

Almost every brand does not even make the units they sell

Among the few that does are FSP / HighPower / Super Flower / Seasonic and Enermax

Some of the FSP units are pretty good and are also priced very fair in your part of the world

Why not look into that?

You might find a good deal on one of the FSP units like the FSP Aurum Pro

Some of the Super Flower and HighPower units are also very good

Just giving you other options not forcing you not to buy Corsair
Edited by shilka - 12/2/13 at 2:26pm
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post #8 of 43
Thread Starter 
I appreciate the feedback, and I am completely open to suggestions.

The Cooler Master V series look very nice, my only issue being that they only have 700 or 850W. The 700W is affordable, but only 50 W more than my current PSU, and hardly worth a $230 (NZD) upgrade. The 850 on the other hand, while a very nice looking PSU, comes in at $330 (NZD), which is the upper limit of what I would like to spend. For a comparison, the Seasonic 860W is $303, and the Corsair AX860 is $309. Coil whine does bug me, but if I am only going to hear it with my ear against my case, its not a problem. If it can be quite bad though, I would like to avoid it. While the Cooler Master 850 seems really nice, really its more than I would like to pay. I think perhaps something in the 700W range would be better, but like I said, I would rather something more like 750-60W, rather than the 700W Cooler Master has.

Regarding the likes of cheap PSUs like Bpmcleod mentioned, the market in New Zealand is in my experience very different to that in America, even the best prices are often higher than converted US prices, and they can get much higher as stores exploit limited supply. There are occasional sales, but seldom by much, and only on the really popular products. For example, on Newegg, a coolermaster V850 is 190 USD when not on sale, which converts to $230 NZD, and the cheapest i can find it at a decent store is $330 NZD, which is $270 USD.

Looking around, generally it seemed the FSP PSUs lacked enough cables/ports. The 850W Aurum Pro was by far the cheapest and best for my purposes, $236 for 850W, but (correct me if I am wrong) it looks like it would only have enough ports for 1 GPU, I would use all 4 or atleast 3 of the flat plugs for hard drives, and molex power, would there still be enough for 2 GPUs which each needed 2x 6+2 power connectors? I can't tell if the 4x2 plugs on the PSU can each power 1 GPU. The Enermax, HighPower and Super Flow PSUs also generally weren't available in the right sizes, prize range, and specs.
post #9 of 43
Quote:
Originally Posted by Tomha View Post

I appreciate the feedback, and I am completely open to suggestions.

The Cooler Master V series look very nice, my only issue being that they only have 700 or 850W. The 700W is affordable, but only 50 W more than my current PSU, and hardly worth a $230 (NZD) upgrade. The 850 on the other hand, while a very nice looking PSU, comes in at $330 (NZD), which is the upper limit of what I would like to spend. For a comparison, the Seasonic 860W is $303, and the Corsair AX860 is $309. Coil whine does bug me, but if I am only going to hear it with my ear against my case, its not a problem. If it can be quite bad though, I would like to avoid it. While the Cooler Master 850 seems really nice, really its more than I would like to pay. I think perhaps something in the 700W range would be better, but like I said, I would rather something more like 750-60W, rather than the 700W Cooler Master has.

Regarding the likes of cheap PSUs like Bpmcleod mentioned, the market in New Zealand is in my experience very different to that in America, even the best prices are often higher than converted US prices, and they can get much higher as stores exploit limited supply. There are occasional sales, but seldom by much, and only on the really popular products. For example, on Newegg, a coolermaster V850 is 190 USD when not on sale, which converts to $230 NZD, and the cheapest i can find it at a decent store is $330 NZD, which is $270 USD.

Looking around, generally it seemed the FSP PSUs lacked enough cables/ports. The 850W Aurum Pro was by far the cheapest and best for my purposes, $236 for 850W, but (correct me if I am wrong) it looks like it would only have enough ports for 1 GPU, I would use all 4 or atleast 3 of the flat plugs for hard drives, and molex power, would there still be enough for 2 GPUs which each needed 2x 6+2 power connectors? I can't tell if the 4x2 plugs on the PSU can each power 1 GPU. The Enermax, HighPower and Super Flow PSUs also generally weren't available in the right sizes, prize range, and specs.

FSP Aurum Pro is semi modular so it has two PCI-E cables fixed and the other two are modular

So it had 4 they just give you the option to have two more if you want it


Edited by shilka - 12/2/13 at 3:53pm
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post #10 of 43
How much is the NZXT Hale90 V2 850w in NZ? smile.gif
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