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First time CPU & GPU loop, some guidance needed.

post #1 of 2
Thread Starter 
Hey guys, I'm currently running the Corsair H100i and getting some pretty poor temps, I can only assume from my 780 Classified pumping heat into the case, so I've decided to go for a full open loop system to hopefully drop both temps substantially.

I'm using a 650D case which I can only fit a 240mm radiator at the top and a 120mm to either the back exhaust or front intake as shown here.


ck49zai3kc3dos93c.jpg

The system I'm thinking of putting together is as follows:


I do have some questions:

- Will the chunky Phobya 120mm rad be enough to help the AX240 cool both the GPU and CPU? My 4770k is currently stock but the Classy is OC'd to 1.3Ghz, it sits around the low 70°C's when under load at about 80% fan speed, will the two rads working together be enough if I OC the 4770k as well? My system is about 2 months old and I've only just got the 650D case however if two 240mm rads are essential to get lower temps I could always look at getting rid of it and getting a bigger case, this isn't the preferred option though!

- I've read that some tubing leaves deposits in the loop, how does Primochill tubing rate? Will it fur up my system or be just fine?

- Is the EK all in one coolant a good solution? I've read distilled water with anti fungi additives can be just as good?

I was going order it and get it shipped (fingers crossed) for next week, but the XSPC D5 Dual Bay Reservoir/Pump Combo V2 seems to have gone out of stock since I started writing this post! doh.gif I suppose this gives me a little bit more time to get some advice and work out if I am missing anything. smile.gif
Unstable Machine
(22 items)
 
  
CPUMotherboardGraphicsRAM
4770k @ 4.5GHz, 1.3v. ASUS Maximus VI Formula. EVGA GeForce GTX 780 Classified @ 1230MHz. 16Gbs Kingston HyperX Savage @ 1866Mhz. 
Hard DriveHard DriveCoolingCooling
250Gb Samsung Evo 840. 3x Seagate Barracuda ST2000DM001 2TB.  EK Supremacy CU Block & EK FC 780 Classy. XSPC D5 Dual Bay Reservoir/Pump Combo V2. 
CoolingMonitorMonitorKeyboard
Alphacool NexXxoS XT45 360mm & UT60 240mm. 2 x BenQ 24" 1200p. 22" Eizo 1200p for photo editing. Corsair K70 Rampage. 
PowerCaseMouseMouse Pad
Corsair AX860. Corsair Obsidian 750D. Mionix Naos 7000 Roccat Hiro. 
AudioAudioAudioAudio
Schiit BiFrost Multibit.  HiFiMAN HE-560 Headphones. Schiit Lyr 2 Valve Amp. iFi iPower USB filter 
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Unstable Machine
(22 items)
 
  
CPUMotherboardGraphicsRAM
4770k @ 4.5GHz, 1.3v. ASUS Maximus VI Formula. EVGA GeForce GTX 780 Classified @ 1230MHz. 16Gbs Kingston HyperX Savage @ 1866Mhz. 
Hard DriveHard DriveCoolingCooling
250Gb Samsung Evo 840. 3x Seagate Barracuda ST2000DM001 2TB.  EK Supremacy CU Block & EK FC 780 Classy. XSPC D5 Dual Bay Reservoir/Pump Combo V2. 
CoolingMonitorMonitorKeyboard
Alphacool NexXxoS XT45 360mm & UT60 240mm. 2 x BenQ 24" 1200p. 22" Eizo 1200p for photo editing. Corsair K70 Rampage. 
PowerCaseMouseMouse Pad
Corsair AX860. Corsair Obsidian 750D. Mionix Naos 7000 Roccat Hiro. 
AudioAudioAudioAudio
Schiit BiFrost Multibit.  HiFiMAN HE-560 Headphones. Schiit Lyr 2 Valve Amp. iFi iPower USB filter 
  hide details  
Reply
post #2 of 2
I had that EK Clear Water Coolant running about 10 months. Got some nasty green stuff in my res so I replaced it with distilled + alcohol. However I do not recommend to use alcohol for anyone else biggrin.gif
Mothership
(13 items)
 
 
CPUMotherboardGraphicsRAM
Intel 2500K Gigabyte Z77X-UP7 Gigabyte G1 GTX1070 Corsair Vengeance Pro 
Hard DriveCoolingMonitorKeyboard
Crucial M4 EK-Supreme HF Full Nickel Dell 27" S2716DG 144Hz Logitech G710 
PowerCaseMouseMouse Pad
Seasonic X 750 Gold Cooler Master Cosmos 2 Logitech G400 Logitech G440 
Audio
Creative X-Fi Titanium 
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Mothership
(13 items)
 
 
CPUMotherboardGraphicsRAM
Intel 2500K Gigabyte Z77X-UP7 Gigabyte G1 GTX1070 Corsair Vengeance Pro 
Hard DriveCoolingMonitorKeyboard
Crucial M4 EK-Supreme HF Full Nickel Dell 27" S2716DG 144Hz Logitech G710 
PowerCaseMouseMouse Pad
Seasonic X 750 Gold Cooler Master Cosmos 2 Logitech G400 Logitech G440 
Audio
Creative X-Fi Titanium 
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