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Power Supply for SLI? Watercooling? Help please!

Tags:
  • Water Cooling
  • Power Supplies
  • Temperature
  • CPUs
  • Fan
  • SLI
  • Graphics
  • GPUs
Last response: in Graphics & Displays
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August 28, 2013 9:53:08 PM

Im looking to upgrade my rig but I'm having doubts. I have a two of questions. I know it a lot but I really need this help. Thanks in advance :) 
My rig:
Cpu: Intel Core i5-2500K 3.3 GHz
Cpu Cooler: Cooler Master Hyper 212 Plus
GPu: GIGABYTE GeForce GTX 670
Ram: Corsair Vengeance 8 GB ( 2 x 4 GB ) DDR3
PSU: 700W
Motherboard: Asus Sabertooth Asus Sabertooth Z87
Boot Drive: SanDisk Extreme SSD 240 GB
Storage Hard Drive: WD Blue 1 TB
Dual Monitors: ASUS VS228H-P 22-Inch
Case: Cooler Master HAF 932
Thermal Paste: Arctic Silver Arctic Alumina

I can run pretty much any game at max but when i played the Crysis 3 Beta i had trouble running the game on ultra and had to reduce the settings. I'm worried that i wont be able to run future games on max. This is why i want to buy another 670 and SLI. If i buy another GPU I might consider buying a third monitor (are triple monitors worth it). So my questions are, is buying a second 670 worth it? Will my 700W PSU be enough for 2 graphic cards and 3 monitors. I'm also buying a 2TB WD Black hard drive soon. Will it bottle neck my cpu? I mostly game but i starting to get into video editing.
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My CPU temps are around 28-35C idle and 50-60C playing graphically intensive games. I had a temperature scare recently where my idle temps became 45C and my temps with load went up to 70C. I cleaned my computer and changed thermal paste and it seemed to solve the problem. (My computer is a year old). My CPU fan is a Hyper212 Plus. I know water cooling will do a better job at cooling my system, but I'm terribly afraid of it. I'm worried about a possible leak, or maybe i wont do something right and my PC with get ruined. This is my first rig so I'm not a Pro. I'm terrified of water cooling but i don't want to worry about temps. Should I get water cooling or just stick with my 212 Plus and 33C idle temps and 60C temps under load? Also a little side question. I use SpeedFan to monitor my temps. It says my CPU temp is 1C but my Core temps are in the 30C range? Why is that happening?

More about : power supply sli watercooling

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a b ) Power supply
a c 117 à CPUs
August 29, 2013 12:41:16 AM

If your afraid of water-cooling in general, then dont get it. Slap on larger heatsink like a Noctua NH-D14, which performs about on par with a H100i.
Though your temps are fine IMO, 60°C under load is perfectly acceptable (idle temps are dictated by ambient temps more than anything else).

Ignore the CPU temp, dont know why it is happening but its obviously false. You want to be going by Core Temps anyway.
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August 29, 2013 1:18:52 AM

manofchalk said:
If your afraid of water-cooling in general, then dont get it. Slap on larger heatsink like a Noctua NH-D14, which performs about on par with a H100i.
Though your temps are fine IMO, 60°C under load is perfectly acceptable (idle temps are dictated by ambient temps more than anything else).

Ignore the CPU temp, dont know why it is happening but its obviously false. You want to be going by Core Temps anyway.


Thanks for that, I've researched it and im thinking of buying it now! the thing is im not sure it will fit. I have a big case but im worried my RAM sticks will interfere with it. how about the power supply question, any help?
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a b ) Power supply
a c 117 à CPUs
August 29, 2013 1:56:02 AM

Depends on what PSU it is, 700W doesn't tell much. Can you give a link to it?
Is your RAM the big finned version, with hair combs glued to them?
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August 29, 2013 11:45:17 AM

byogamingpc said:
For SLI I'd recommend the Corsair TX 850 http://www.amazon.com/gp/product/B005E98EI2/ref=as_li_q... It would supply enough power for everything you want to do and allow overclocking headroom as well.


The PSU i have has all sorts of problems. When i was building my computer i did a test boot and everything worked fine. But when i turned my PSU off and tried to test boot it again, it just wouldn't work. The light was on but my computer just wouldnt turned on. After leaving my PSU alone for a couple of hours it finally worked again. I had to turn the PSU off again and when i turned it back on it just wouldnt supply power to my computer. After leaving it alone for a couple of hours it still didnt work so i left it alone for 2 days and it finally started working. Ive had a couple of power outages after i completed my build and my ocmputer still seems to be working surprisingly. Going cheap on the PSU while having an expensive build like this probably wasnt the best idea
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August 29, 2013 3:28:10 PM

byogamingpc said:
Mikecherves said:
byogamingpc said:
For SLI I'd recommend the Corsair TX 850 http://www.amazon.com/gp/product/B005E98EI2/ref=as_li_q... It would supply enough power for everything you want to do and allow overclocking headroom as well.


The PSU i have has all sorts of problems. When i was building my computer i did a test boot and everything worked fine. But when i turned my PSU off and tried to test boot it again, it just wouldn't work. The light was on but my computer just wouldnt turned on. After leaving my PSU alone for a couple of hours it finally worked again. I had to turn the PSU off again and when i turned it back on it just wouldnt supply power to my computer. After leaving it alone for a couple of hours it still didnt work so i left it alone for 2 days and it finally started working. Ive had a couple of power outages after i completed my build and my ocmputer still seems to be working surprisingly. Going cheap on the PSU while having an expensive build like this probably wasnt the best idea



You definitely don't want to skimp on the CPU, GPU, PSU, or mobo.

Yea i decided im going to wait on buying a new GPU until more games come out that require it. My PC is running fine now with the PSU i have now so ill hold off on buying a new one until later on down the road. Thanks for everyones answers!
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