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post #41 of 55
No need for a 1200W PSU.

I know you mention room to upgrade in the future. The fact of the matter is that you can SLI GTX580's with an overclocked i7 on a decent 750W PSU, most get 850W just for a bit of headroom.

So 1200W is completely and utter overkill and just wasting money. Future proofing for a PSU is just an excuse for wasting money. Most decent PSU's have relatively quiet fans, so even when under max load they aren't loud at all.

When I ran SLI 480's on my HX750 (both GPU's overclocked with CPU @ 4.2GHz) I couldn't hear the PSU over my case fans. So don't waste $100 getting a PSU that you are never going to utilize unless you start looking at Tri/Quad SLI setup.

Definitely look at the Seasonic X-750 or X-850 if you want to play it safe.

Most people recommend PSU's way above what is actually required because they are uneducated and just assume that more is always better. Again, as I said, unless you are going for Tri SLI 580's or a Quad SLI setup (2 x 590 or 4 x 580) then anything over 850W is a total waste.

Just get a decent, Gold rate 750W or 850W PSU and you will be just fine for years to come.
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post #42 of 55
Corsair, I think it has a higher resale value but im not 100% sure.
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post #43 of 55
Without a doubt, go with Corsair.

Best Quality

Best Service

The best part is..

I've NEVER had to even use their service because I have never had a problem with ANY of their products EVER.

It's the Bugatti of PC Components.
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post #44 of 55
Quote:
Originally Posted by Majin SSJ Eric;13846142 
If you use a 1200W PSU to power two 560Ti's your PSU is going to be running so inefficiently. They are designed to work best near their power peak and efficiency goes down drastically when they have to run at lower power levels than they are designed for.

I saw a youtube video where a 500W PSU was powering a rig and its power draw was 150W. He then hooked up a 1000W PSU to the exact same rig and power draw went up to over 300W....
Quote:
Originally Posted by Majin SSJ Eric;13849555 
I did my research, it is you that should watch this video especially at about the 9 minute mark on....

http://youtu.be/iKk2_1u26tg

To be quite honest, you are the one who needs to do the research and actually pay attention when watching that video. PSU's are least efficient at the lowest AND highest power levels. They are NOT more efficient at full load and that is clearly stated in that video. For the most part between 20 and 80% load. So you are partially right, but mostly incorrect.
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post #45 of 55
Corsair = never had any problems with all my Corsair PSU. Had 6 or 7 over the years. Now using an AX1200, a HX1000 and 1 TX750 at home. No problems.

Enermax = always problems for me. frown.gif My latest Enermax Galaxy Evo 1250w had 2 bad PCIe cables. It was a pain to find the culprit of those no-boot problems in my new build. Arrggghh!

Had to RMA my 1000W Enermax Galaxy 4 times, yes 4 times, before getting a working one 3 years ago, without the annoying beep beep alarm on those.

So go with Corsair. I swear I will never go with Enermax again.
    
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post #46 of 55
Thread Starter 
I just used the Enermax PSU Calculator Utility again. It is telling me I am looking at around 930 ish W, for what Ive decided to go with. Two MSI N580GTX Lightning XE 3GB in SLI. I guess I should either go with Antec High Current Pro 1200W, Corsair AX1200, or the Enermax MAXREVO 1350W.
post #47 of 55
Quote:
Originally Posted by arifay;13855009 
I just used the Enermax PSU Calculator Utility again. It is telling me I am looking at around 930 ish W, for what Ive decided to go with. Two MSI N580GTX Lightning XE 3GB in SLI. I guess I should either go with Antec High Current Pro 1200W, Corsair AX1200, or the Enermax MAXREVO 1350W.

If you've decided to upgrade your gear, please add a note about this decision to your OP (but leave the old info so that the other posts make sense), that way people don't respond based on old information moving forward thumb.gif

In my book you can't go too wrong with a Seasonic, a Seasonic-built Corsair, or an Enermax. I wubsmiley.gif me my Enermax-built ABS SL to pieces. By FAR the best PSU I've ever owned. I would never part with it. In fact, I plan on being buried with it.

Also, I don't generally recommend OCZ PSU's, but I will say that their Gold 1000W unit is quite nice, and often goes on really good sales on the Egg. At such times as they are cheap, they are very worthy of consideration. If you want some 'overkill', but not a ridiculous amount of it ... 1000W fits that bill nicely ... even with SLI 580's, 1KW is quite a bit more than you would actually need ... despite what any PSU calculator says.

The Silver-rated 1050W Enermax Revolution would also make an ideal candidate to power your system.
Edited by brettjv - 6/13/11 at 9:52am
    
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xeon X5675 6-core @ 4.1ghz (1.29v, 20x205 +ht ) rampage iii extreme msi rx470 gaming X (the $159 budget king) 3 x 2gb corsair xms3 pc12800 (9-9-9-24-1T@1600MHz) 
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hynix 250gb ssd (boot), 2tb deskstar (apps),1tb... plextor px-712sa - still the best optical drive... corsair h8o v2 aio W10 home 
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post #48 of 55
Thread Starter 
Quote:
Originally Posted by brettjv;13855396 
In my book you can't go too wrong with a Seasonic, a Seasonic-built Corsair, or an Enermax. I wubsmiley.gif me my Enermax-built ABS SL to pieces. By FAR the best PSU I've ever owned. I would never part with it. In fact, I plan on being buried with it.

Also, I don't generally recommend OCZ PSU's, but I will say that their Gold 1000W unit is quite nice, and often goes on really good sales on the Egg. At such times as they are cheap, they are very worthy of consideration. If you want some 'overkill', but not a ridiculous amount of it ... 1000W fits that bill nicely ... even with SLI 580's, 1KW is quite a bit more than you would actually need ... despite what any PSU calculator says.

The Silver-rated 1050W Enermax Revolution would also make an ideal candidate to power your system.

hardocp says one of these takes around 390W full load, so 780W total for both, heh, i feel like 220W for everything else is a bit pushing it? I am going to have 3-4 HDDs and 2-3 SSDs, my CPU + Fans will be around 150W, and that's not counting the cooling and MOBO..

Don't you think I should go for at least 1200W?
post #49 of 55
Quote:
Originally Posted by H3XUS;13849947 
Without a doubt, go with Corsair.

It's the Bugatti of PC Components.

Not... really.


The MaxREVO has really mediocre voltage regulation. It's not really comparable to the AX1200 or HCP-1200 at all, I'd put it at least a tier below them. Enermax made a great effort, but it just isn't there yet in my opinion.

Also, all these guys raving about Enermax and how every unit they've ever made is amazing? Go ahead and say that about the low-wattage NAXN units (not NAXN 80+), which were built on CWT's worst platform, PUF, which is barely better than that Linkworld junk I make fun of.
post #50 of 55
Quote:
Originally Posted by PapaSmurf;13849993 
To be quite honest, you are the one who needs to do the research and actually pay attention when watching that video. PSU's are least efficient at the lowest AND highest power levels. They are NOT more efficient at full load and that is clearly stated in that video. For the most part between 20 and 80% load. So you are partially right, but mostly incorrect.

Duly noted but the main thrust of my point was not to get a 1200W PSU to run 400W worth of system draw...
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