A quick power supply question before I commit

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Message 1489335 - Posted: 15 Mar 2014, 15:06:41 UTC
Last modified: 15 Mar 2014, 15:06:53 UTC

Hello Everyone,

I have a quick question about what you guys think about a particular power supply before I go ahead and buy it. You may or may not remember, but I've been looking to upgrade for a while and hopefully can finally do it this weekend.

This is the one I am thinking about.

The only two things I know to check is to make sure it has a 20+4 motherboard cable, which it seems to. And also the 850W would be able to handle dual GTX 650 Ti cards, which is the ultimate goal here. Currently with my old PS, I am only able to run 1 card successfully.

Fully module is perhaps a bit overboard, but the other non-full module PS's I was looking at are currently out of stock.

So, what do you guys think?
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Message 1489369 - Posted: 15 Mar 2014, 15:52:00 UTC - in response to Message 1489335.  

That is a good choice for a PSU. It should be able to handle those 2 GTX 650 Ti. I'm Running 3 of those and it doesn't come near to the max so it should be fine. If you are really concern you can do a google search for eXtreme Power Supply Calculator lite. Should show you a page called extreme outervision. One of the best calculators it shows how how much power you need. It goes into Motherboard types, chips, ram, fans, HDs, USBs, GPU cards by make and model and number said cards. Very indepth.
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Message 1489384 - Posted: 15 Mar 2014, 16:18:50 UTC - in response to Message 1489369.  

Thanks very much for the information!
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Message 1489437 - Posted: 15 Mar 2014, 17:51:59 UTC

Did you see this?
"Potential thermal issue with RM750 and RM850"
"There is a RECALL on these RM850 and the RM750 units"

http://forum.corsair.com/v3/showthread.php?t=123484

http://www.newegg.com/Product/SingleProductReview.aspx?reviewid=3975768
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Message 1489441 - Posted: 15 Mar 2014, 18:02:53 UTC - in response to Message 1489437.  

Did you see this?
"Potential thermal issue with RM750 and RM850"
"There is a RECALL on these RM850 and the RM750 units"

http://forum.corsair.com/v3/showthread.php?t=123484

http://www.newegg.com/Product/SingleProductReview.aspx?reviewid=3975768


Geez... thanks for this information...

Guess I'd either find a different model or at least try to get a PS manufactured directly from corsair that has the fix in place.

Thanks very much.
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Message 1489449 - Posted: 15 Mar 2014, 18:26:47 UTC

You might want to look at this one,
it's $10 more for the next day or so, and after a $20 MIR would be cheaper.

-Dave
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Message 1489493 - Posted: 15 Mar 2014, 19:25:43 UTC

I'm not sure how concerned you are about cable management. But, if it is at or near the top of your list; then a modular PSU is the way to go. You only have to worry about the cables that you need to attach to your devices and all others stay in the bag. On the other hand with a PSU that is not modular you have to find some place out of the way to place the extra cables so that you can still have good to excellent air flow. I would also suggest that you get a model that is the next step up than whatever is suggested via any means available to you. This will allow you to upgrade your devices without being close to the PSU limit.


I don't buy computers, I build them!!
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Message 1489504 - Posted: 15 Mar 2014, 20:09:38 UTC - in response to Message 1489335.  

And also the 850W would be able to handle dual GTX 650 Ti cards, which is the ultimate goal here.

The GTX 650Ti draws a maximum of 110W, add another 10-20W if it's an overclocked model. Even a quality 550W PSU would be capable, 650W overkill.

I've got 2 systems- an E6400 with a GTX 460, and an i7-2600 with 2*GTX 750Tis. With 2 LCD 22" monitors, total power consumption is around 500W. That's for both computers and monitors, in total.
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Message 1489516 - Posted: 15 Mar 2014, 20:45:24 UTC - in response to Message 1489504.  

And also the 850W would be able to handle dual GTX 650 Ti cards, which is the ultimate goal here.

The GTX 650Ti draws a maximum of 110W, add another 10-20W if it's an overclocked model. Even a quality 550W PSU would be capable, 650W overkill.

I've got 2 systems- an E6400 with a GTX 460, and an i7-2600 with 2*GTX 750Tis. With 2 LCD 22" monitors, total power consumption is around 500W. That's for both computers and monitors, in total.

My home machine has a GTX 560 and a GT 640, with an i7-4770K CPU. Its PSU is currently drawing between 250 and 270 W (so maybe 220 W to the system after PSU inefficiency) crunching 7x MB and 4x AP (two per GPU) WUs.
+------------------------------------------------------+                       
| NVIDIA-SMI 331.38     Driver Version: 331.38         |                       
|-------------------------------+----------------------+----------------------+
| GPU  Name        Persistence-M| Bus-Id        Disp.A | Volatile Uncorr. ECC |
| Fan  Temp  Perf  Pwr:Usage/Cap|         Memory-Usage | GPU-Util  Compute M. |
|===============================+======================+======================|
|   0  GeForce GTX 560     Off  | 0000:01:00.0     N/A |                  N/A |
|100%   78C  N/A     N/A /  N/A |    359MiB /  1023MiB |     N/A      Default |
+-------------------------------+----------------------+----------------------+
|   1  GeForce GT 640      Off  | 0000:06:00.0     N/A |                  N/A |
| 69%   66C  N/A     N/A /  N/A |    132MiB /  1023MiB |     N/A      Default |
+-------------------------------+----------------------+----------------------+

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Message 1489519 - Posted: 15 Mar 2014, 20:53:30 UTC - in response to Message 1489449.  

You might want to look at this one,
it's $10 more for the next day or so, and after a $20 MIR would be cheaper.

-Dave


Thanks very much everyone for the information.

I do realize that perhaps 850-860W would be overkill for my current set up, but if I get the urge to increase my seti ability, having enough power with my current power supply would be nice.

I think I might go with the one Dave has suggested here. It seems to avoid the pitfalls I've read about the other models.
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Message 1489575 - Posted: 15 Mar 2014, 23:46:20 UTC

I bought a Corsair TX750 back in October thinking that I wanted a little bit of headroom when I finally upgrade my 8800GT to something newer (like an HD7970/90 or an R9 290X), and all of the load calculators that I ran through on the internet said that my PSU load was currently sitting at about 450W, so my aging 550 was probably being pushed a little hard.

Got the TX750 and all is good and stable. I just yesterday got the replacement batteries for my UPS and got that hooked up and everything plugged back into it, and all six cores at full load and the 8800GT working as hard as it can..UPS shows 330 watts, and that's with a 24" monitor and 70 watts for my rack-mount gigabit switch. Guess 750 is actually a bit of overkill in this case... but it leaves me with 400 watts of expansion room, at least.

Corsair is currently my absolute favorite PSU maker. They have been for 2-3 years.

Oh, and FYI.. the MIR's for Corsair are pre-paid Visa cards. It's still money, but not as convenient to use as a check that you can deposit into a bank account.
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record uptime: 1511d 20h 19m (ended due to the power brick giving-up)
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Message 1489590 - Posted: 16 Mar 2014, 1:05:06 UTC - in response to Message 1489575.  
Last modified: 16 Mar 2014, 1:05:34 UTC

I bought a Corsair TX750 back in October thinking that I wanted a little bit of headroom when I finally upgrade my 8800GT to something newer (like an HD7970/90 or an R9 290X), and all of the load calculators that I ran through on the internet said that my PSU load was currently sitting at about 450W, so my aging 550 was probably being pushed a little hard.

Got the TX750 and all is good and stable. I just yesterday got the replacement batteries for my UPS and got that hooked up and everything plugged back into it, and all six cores at full load and the 8800GT working as hard as it can..UPS shows 330 watts, and that's with a 24" monitor and 70 watts for my rack-mount gigabit switch. Guess 750 is actually a bit of overkill in this case... but it leaves me with 400 watts of expansion room, at least.

Corsair is currently my absolute favorite PSU maker. They have been for 2-3 years.

Oh, and FYI.. the MIR's for Corsair are pre-paid Visa cards. It's still money, but not as convenient to use as a check that you can deposit into a bank account.


Thanks for the reassurance! I guess I will try my luck with the AX860!

Thanks for the heads up about the MIR. Unfortunately, I think most things are like this.
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Message 1490137 - Posted: 17 Mar 2014, 16:32:00 UTC - in response to Message 1489575.  

Oh, and FYI.. the MIR's for Corsair are pre-paid Visa cards. It's still money, but not as convenient to use as a check that you can deposit into a bank account.

I buy everything on my credit card (for the points) and pay it off at the end of the month. Gift cards are a good way to pay for things during the few days between when I send the payment and when the new month starts.
David
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Waiting for a message from a small furry creature from Alpha Centauri.

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Message boards : Number crunching : A quick power supply question before I commit


 
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