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  1. #1

    A somewhat inaccurate review. Single MCR-320 vs Dual MCR-320

    Test set-up

    EVGA 780i - P08
    Q6600 G0 L747A [ 400x9:3.60Ghz @ 1.45v ]
    xFx GTX260 216 Black Edition [ GPU:740Mhz Shader:1515 Ram:1215Mhz ]
    6 GB OCZ Reaper DDR2-800 4-4-4-12 [ 990Mhz ]
    750watt Silverstone Modular Strider
    2x HDD [ 1 TB ]



    Single MCR-320 Loop.

    T-Line > D5-Vario > MCR-320 > Apogee GT > MCW-60r2 > T-Line

    IDLE



    LOAD


    Dual MCR-320 Loop.

    EK-150 > Pump > MCR-320 #1 > MCR-320 #2 > MCR-60r2 > EK-780i NB > Apogee GT > EK-150


    IDLE



    LOAD



    Testing method: absolutely none... I just happened to have a few "before" screen shots... and a few "after" screen shots. I am however using the same thermal paste, same speed fans, same size tubing. I did however add a reservoir and add a North bridge block.
    EVGA 780i - P08 [ FSB:1.4v SPP:1.5v MCP:1.65v SPP<>MCP:1.4v ]
    Q6600 G0 L747A [ 400x9:3.6ghz @ 1.43v - 445x9:4.0Ghz @ 1.55v ]
    xFx GTX260 216 Black Edition [ GPU:740Mhz Shader:1515 Ram:1215Mhz ]
    2x 1 GB - 2x 2 GB OCZ Reaper DDR2-800 4-4-4-12 [ 990Mhz ]
    Win 7 Build 7600 - Arch Linux

    Apogee GTZ - MCW60-R - 2xMCR320 - MCP655 - MasterKleer 7/16
    7x yate loons - 2x Arctic fan 8

    All in my wooden case

  2. #2
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    Conumdrum's Avatar
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    Sep 2007
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    Awesome! Thank you for taking the time to post this.

    You had a Q6600 only in the loop I can see

    Only question was the ambient room temp the same for both tests and how long did ya run it?

    And next question (I know, second question) Looks like ya lost 5C with the second rad. Same fans (OMG the noise) on the second rad????

    Or did you do the sandwich with the new rad?

    Again, fun stuff, thanks. Good discussion I hope.
    I want my old title back.
    Old beast is torn down.
    Will update later.

    900 watt (1500VA) UPS
    27" ASUS VG 3D/Nvidia V2 3D glasses and 24" Acer H243H

  3. #3
    Single MCR-320 Loop.

    T-Line > D5-Vario > MCR-320 > Apogee GT > MCW-60r2 > T-Line

    Dual MCR-320 Loop.

    EK-150 > Pump > MCR-320 #1 > MCR-320 #2 > MCR-60r2 > EK-780i NB > Apogee GT > EK-150


    Unfortunately the two loops are different. But both use the same thermal paste, same exact mounting technique, and same fans (Yate loon low speed). But you would agree loop two would have added load, so if It wasn't for the second radiator, it would be hotter. But the second radiator in some cases knocked off 10c!

    The two radiators aren't sandwiched. They are side by side in a kind of L shape.
    Last edited by darkcow; 08-20-09 at 11:20 AM.
    EVGA 780i - P08 [ FSB:1.4v SPP:1.5v MCP:1.65v SPP<>MCP:1.4v ]
    Q6600 G0 L747A [ 400x9:3.6ghz @ 1.43v - 445x9:4.0Ghz @ 1.55v ]
    xFx GTX260 216 Black Edition [ GPU:740Mhz Shader:1515 Ram:1215Mhz ]
    2x 1 GB - 2x 2 GB OCZ Reaper DDR2-800 4-4-4-12 [ 990Mhz ]
    Win 7 Build 7600 - Arch Linux

    Apogee GTZ - MCW60-R - 2xMCR320 - MCP655 - MasterKleer 7/16
    7x yate loons - 2x Arctic fan 8

    All in my wooden case

  4. #4
    Member thorilan's Avatar
    Join Date
    May 2002
    Location
    Japan/Daytona Beach
    now for the big question.
    which loop has the higher happyness ratio?
    697+ water coolled systems built , 0 leaks

  5. #5
    defiantly loop #2, the temp improvement is amazing... 8-10c cooler on ambient temps, I'm sold for sure.

    plus I am using really cheap fans, and each one moves very little air. but all 6 together really packs a punch and it isn't loud at all.
    EVGA 780i - P08 [ FSB:1.4v SPP:1.5v MCP:1.65v SPP<>MCP:1.4v ]
    Q6600 G0 L747A [ 400x9:3.6ghz @ 1.43v - 445x9:4.0Ghz @ 1.55v ]
    xFx GTX260 216 Black Edition [ GPU:740Mhz Shader:1515 Ram:1215Mhz ]
    2x 1 GB - 2x 2 GB OCZ Reaper DDR2-800 4-4-4-12 [ 990Mhz ]
    Win 7 Build 7600 - Arch Linux

    Apogee GTZ - MCW60-R - 2xMCR320 - MCP655 - MasterKleer 7/16
    7x yate loons - 2x Arctic fan 8

    All in my wooden case

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