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Help me choose between the Corsair Obsidian 800D or the NZXT Switch 810 - Page 2

post #11 of 25
Thread Starter 
Thanks!
I might go for that then, since it's also shorter than the HX1050. The 160mm in length really benefits me if I were to put a 280 rad at the bottom.

Edit:
But.. Again, two 690's in SLI uses around 650 Watt. I do plan on overclocking the CPU, Ram and graphics cards a bit, and when I have two 690's in SLI, I'm not sure that the 850 watt will be enough so that I'm able to OC both 690's even though it's Gold certified?

The HX1050 is Silver certified so it's not that bad, and I might be needing the extra 200 watt for the overclocking. Again, this just my thoughts. If anyone has any experience in this please comment smile.gif

I'm just worried about that the 850 watt will be working on full load when having a I7-3820 running at 4,5 Ghz and two 690's oc'd.
Edited by Heinz - 9/12/12 at 11:21am
post #12 of 25
Based of the specs you have provided I've calculated your recommended PSU @ 801w WITHOUT overclocking.

you can use this site to do some tweaking and perhaps be more specific with fans, accessories and pumps etc..

I've just gone with 6 140mm fans and a 355 pump for an indication...

http://extreme.outervision.com/PSUEngine

some thigns to consider for your PSU...

Does the total amps on the 12v rail meet your requirements.
Does the PSU have enough PCI-E connections to covers your needs

Running a PSU at or close to it's maximum wattage all of the time is inefficient and noisy

take a look at the reviews for any PSU you are looking at and you will see they are most efficient @ 50% of their maximum load.. anything either side of that and they actually start to become less efficient.. they will certainly still work but they will be hotter, noisier and waste your $ by turning the power you are paying for into heat.
Edited by Ardalista - 9/12/12 at 12:17pm
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post #13 of 25
That's recommended PSU, not peak usage, just so we're clear tongue.gif

Even still, I think their calculator is a bit off, or uses numbers generated by synthetic benches like Furmark.
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post #14 of 25
Yes I agree, it's recommended, not minimum, It's also an inexact figure as I can only guess at what other accessories may or may not be used in the build, but it's a fairly good indication of the area the OP should be looking at.

Yes he could run an 850w psu but for how long? will he change the system in a years time to add more HDD's or SSD? new soundcard, fan controllers etc???

Then add the overhead for the overclocks which you seem to be ignoring, Shortly the PSU will be maxing out... get into an intense action scene in a game and you'll soon hit peak power on the display could go blank, whereas it works fine in 2d mode.

I've had recent experience myself with this so I upgraded my own PSU to the AX1200.. I'm still using fermi which is a heavy power user, but it's because I got a 2nd GPU for a very good price. on top of that everything else I run in my machine.. I could have gone with an 850w myself but didn't want to go buying a new PSU in a years time, plus I can add a 3rd GPU if I wish and not have to adapt ugly molex plugs to do so.
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post #15 of 25
Thread Starter 
I would have to agree with Ardalista.

I am planning on upgrading within a few months to larger graphics cards and a full watercooling loop and then overclocking the cpu, ram and gpu. I'll also have secondary sound cards and other stuff so the 850' will get under a massive load when I've got everything maxed out. The 1050' will run cooler and work better in the long run by not running at a 90-95% load all the time. I've got a friend who has the HX1050 and he got a intel core i7 3960x extreme edition with 6 cores and all the good stuff and it's running nice and quiet.
post #16 of 25
Quote:
Originally Posted by Ardalista View Post

Yes I agree, it's recommended, not minimum, It's also an inexact figure as I can only guess at what other accessories may or may not be used in the build, but it's a fairly good indication of the area the OP should be looking at.
Yes he could run an 850w psu but for how long? will he change the system in a years time to add more HDD's or SSD? new soundcard, fan controllers etc???
Then add the overhead for the overclocks which you seem to be ignoring, Shortly the PSU will be maxing out... get into an intense action scene in a game and you'll soon hit peak power on the display could go blank, whereas it works fine in 2d mode.
I've had recent experience myself with this so I upgraded my own PSU to the AX1200.. I'm still using fermi which is a heavy power user, but it's because I got a 2nd GPU for a very good price. on top of that everything else I run in my machine.. I could have gone with an 850w myself but didn't want to go buying a new PSU in a years time, plus I can add a 3rd GPU if I wish and not have to adapt ugly molex plugs to do so.

http://www.anandtech.com/show/5805/nvidia-geforce-gtx-690-review-ultra-expensive-ultra-rare-ultra-fast/17

We don't have to estimate. OC'd 690 total system draw is at 545. I don't care how many fan controllers, fans, and pumps you are running, you're not going to add 300W to that. People overestimate how much headroom they need on a PSU. The days of Fermi are over.
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post #17 of 25
Wait for the 900D
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post #18 of 25
Quote:
Originally Posted by Michalius View Post

http://www.anandtech.com/show/5805/nvidia-geforce-gtx-690-review-ultra-expensive-ultra-rare-ultra-fast/17
We don't have to estimate. OC'd 690 total system draw is at 545. I don't care how many fan controllers, fans, and pumps you are running, you're not going to add 300W to that. People overestimate how much headroom they need on a PSU. The days of Fermi are over.

Yes.. now add another 690 to that equation for SLI
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post #19 of 25
A 690 is already in SLI.

A 680 pulls about 170 watts at full load. An overclocked card is right around 200W. Two overclocked (and if you can get high GPU usage on both) will be pulling around 400-450 watts. A third would be pulling 600W. His processor is 130W TDP.

An AX850 can run three 680s overclocked with an overclocked 3820. This is with me overestimating and using numbers pulled from synthetic benchmarks.

http://www.guru3d.com/article/geforce-gtx-680-sli-review/4

680 SLI, non-OC'd is pulling 338W.
Edited by Michalius - 9/12/12 at 3:08pm
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post #20 of 25
Quote:
Originally Posted by Heinz View Post

Thanks!
I might go for that then, since it's also shorter than the HX1050. The 160mm in length really benefits me if I were to put a 280 rad at the bottom.
Edit:
But.. Again, two 690's in SLI uses around 650 Watt. I do plan on overclocking the CPU, Ram and graphics cards a bit, and when I have two 690's in SLI, I'm not sure that the 850 watt will be enough so that I'm able to OC both 690's even though it's Gold certified?
The HX1050 is Silver certified so it's not that bad, and I might be needing the extra 200 watt for the overclocking. Again, this just my thoughts. If anyone has any experience in this please comment smile.gif
I'm just worried about that the 850 watt will be working on full load when having a I7-3820 running at 4,5 Ghz and two 690's oc'd.

Oh look he wants to run TWO 690's in SLI
Quote:
Originally Posted by Michalius View Post

A 690 is already in SLI.
A 680 pulls about 170 watts at full load. An overclocked card is right around 200W. Two overclocked (and if you can get high GPU usage on both) will be pulling around 400-450 watts. A third would be pulling 600W. His processor is 130W TDP.
An AX850 can run three 680s overclocked with an overclocked 3820. This is with me overestimating and using numbers pulled from synthetic benchmarks.
http://www.guru3d.com/article/geforce-gtx-680-sli-review/4
680 SLI, non-OC'd is pulling 338W.

Is seems your reading comprehension has gone the way of Fermi
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Intel® Core™ i7-3970X Rampage IV Extreme EVGA GeForce GTX 680 Classified EVGA GeForce GTX 680 Classified 
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Corsair Dominator Platinum with Corsair Link Co... Corsair Neutron Series GTX 240GB SATA 3 6Gb/s SSD Western Digital VelociRaptor WD1000DHTZ 64MB 1TB Lite-On iHBS312 
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Corsair Hydro Series H100i Extreme Performance ... Windows 8 x64 benq xl2420t benq xl2420t 
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benq xl2420t Corsair Vengeance K90 Performance MMO Mechanica... Corsair AX1200i Digital ATX Power Supply — 1200... Caselabs MAGNUM TH10 Case 
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Corsair Vengeance M65 FPS Laser Gaming Mouse — ... Xonar Essence STX 
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Overclock.net › Forums › Case Mods & Cases › Computer Cases › Help me choose between the Corsair Obsidian 800D or the NZXT Switch 810