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Time to water cool?

post #1 of 3
Thread Starter 
So, I have a computer system about a year old. Specs are as follows.

Asus Maximus Formula V
i7 3770k processor
32 gigs ram
EVGA GTX 680 X 2 in SLI
Cooler Master II Cosmos
Windows 7 Professional 64 bit

I have a Corsair H100i and have the video cards using their stock coolers. I have never over clocked much, but have decided to try to dabble in it a bit. With the H100i, the i7 idles between 32 and 40 degrees Celsius, and under load using Prime 95, temps hit in the high 60s and low 70s; and this is all at stock processer settings. I overclocked the processor to 4.5 (maybe too high to start?), and the idle core temps were in the 50s. While it was OCed at 4.5, I ran Prime 95 and within seconds, the cores were at 100 degrees Celsius. To me, it sounds like the H100i might not be functioning correctly, but I am not 100 percent sure. I took it off the processor and remounted it with fresh thermal paste, but still got similar results. I also checked all the fan and pump connectors, and everything seems to be connected properly.

So, I am considering installing a full water cooling system. I am looking forward to pushing the limits of my computer a bit. My questions would be.

Do I need 2 separate loops? I don't intend on cooling the RAM, but the processor and both video cards seems like it might be a lot to cool for 1 loop.

As well, do I need another case? I know that the CM Cosmos is huge, but right now, the radiator for the H100i interferes a bit with some of the headers on the top end of the MOBO, and I am concerned that a radiator for a water loop migh be bigger. I have seen reviews on the Magnum TH10 case, and this thing looks huge and like it could fit 2 loops fairly easily.

As well, is it difficult to set up the cooling blocks and connecting the two video cards? I have used aftermarket air cool units on video cards before, so I am not nervous taking the video cards apart. I am just concerned about them being modified in close proximatey to each other, and connecting them.

Anyway, thanks for the help folks. I look forward to any input here.

Rylant
post #2 of 3
your idle temps that's what I would expect in a tropical country

I don't know what you are expecting but I would seriously consider getting a replacement closed loop CPU cooler and sell your GPUs and get some 780s but wait till AMD come out so will drop a little in price
this would cost about the same as water cooling your current setup and net a good performance upgrade
kamikaze
(15 items)
 
  
CPUMotherboardGraphicsRAM
3770k @ 4.8 asus maximus v extreme Asus GTX 770 DCUii SLI GSkill 2400Mhz 
Hard DriveOptical DriveCoolingOS
Sandisk ultra pro liteon bluray xspc 240 raystorm Windows 8.1 Pro 
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x3 aoc 23' led nvidia suround G19 enermax maxrevo 1500w nzxt 820 Phantom 
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saitik rat 9 Asus Xonar DX 
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kamikaze
(15 items)
 
  
CPUMotherboardGraphicsRAM
3770k @ 4.8 asus maximus v extreme Asus GTX 770 DCUii SLI GSkill 2400Mhz 
Hard DriveOptical DriveCoolingOS
Sandisk ultra pro liteon bluray xspc 240 raystorm Windows 8.1 Pro 
MonitorKeyboardPowerCase
x3 aoc 23' led nvidia suround G19 enermax maxrevo 1500w nzxt 820 Phantom 
MouseAudio
saitik rat 9 Asus Xonar DX 
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post #3 of 3
It isn't difficult to do but you won't get any major performance increase out of it especially in comparison to using that money to buy new gear instead. Air cooling works perfectly fine. Water cooling is awesome and it is an investment that doesn't really depreciate like other hardware. It is more on the level of a case. You can use it for many many years and lots of your gear.

The initial jump in price is high though especially when talking multiple GPU full coverage blocks. Which become almost worthless once the card is a few years old. If you are going to water cool you may want to start out with just doing the CPU and then wait till you have brand new cards to buy blocks for them. Some of the newer cards have no issue with universal blocks but the GTX 580 is def something you want full coverage blocks for.

If you need a new case I would wait for the new phantek case to come out. http://www.tomshardware.com/news/Phanteks-Enthoo-Primo-Case-Enclosure,23778.html
Silence
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Intel i7-5820k  ASRock x99 extreme 4 AMD R9 290X AMD R9 290X 
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ballistix ddr4 dual channel Samsung 850 EVO 500GB DT 5noz CPU Waterblock XSPC Razor Full Cover GPU Block 
CoolingCoolingCoolingCooling
XSPC Razor Full Cover GPU Block 4x120 Black Ice Xtreme GTX480 Swiftech MCP655 Danger Den Monsoon Pump/Reservoir 
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Silence
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Secondary Rig
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CPUMotherboardGraphicsGraphics
Intel i7-5820k  ASRock x99 extreme 4 AMD R9 290X AMD R9 290X 
RAMHard DriveCoolingCooling
ballistix ddr4 dual channel Samsung 850 EVO 500GB DT 5noz CPU Waterblock XSPC Razor Full Cover GPU Block 
CoolingCoolingCoolingCooling
XSPC Razor Full Cover GPU Block 4x120 Black Ice Xtreme GTX480 Swiftech MCP655 Danger Den Monsoon Pump/Reservoir 
CoolingOSMonitorKeyboard
Corsair Link Fan Controller Windows 8.1 Nixeus 2560x1440 Logitech G15 
PowerMouseMouse PadAudio
Kingwin PF-850 Ttesports Level10M Razer Vespula Sennheiser HD590 
CPUMotherboardGraphicsRAM
Intel i5-2500k gigabyte z68xp-ud4 Gigabyte GTX 970 G1 Gaming DDR3 1600 4x2GB 
Hard DriveCoolingOSMonitor
Western Digital Velociraptor 300GB w/ Intel RST... Corsair H100 Windows 8.1 1920x1200 HP 
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