Fanless Kaby Lake 11.7L M-ATX

Discussion in 'Build Logs' started by wesbl, Jun 2, 2018.

  1. wesbl

    wesbl SFF Lingo Aficionado
    Thread Starter

    This is my new silent beast:

    CASE: Jonsbo C2
    MOTHERBOARD: Gigabyte GA-H270M-DS3H
    CPU: Intel i7-7700
    HEATSINK: NOFAN CR-95C
    RAM: NR.4 CMK16GX4M1A2400C14 (64GB DDR4 2400Mhz)
    SSD: CRUCIAL MX300 1TB M.2
    HDPLEX 300W AC-DC + 400W DC-ATX
    HDPLEX ATX PSU BRACKET

    I had to open the top cover for fix the motherboard.
    I fixed the two HDPLEX with some nylon screws/bolts.
    I used a shorter AC plug instead of the HDPLEX.
    The Heatsink touch the PSU bottom support of the chassis, so I put a rubber between them.

    I know that for best venting I should use a top with holes, but this is what I have :)
    This case is smaller than a Cooler Master Elite 110 but can fit some M-ATX motherboards!

    I have only one problem with sleep mode, but everything is working perfectly on High Sierra.

    [​IMG]

    [​IMG]
     
  2. Kooki

    Kooki SFF Lingo Aficionado

    #2 Kooki, Jun 2, 2018
    Last edited: Jun 2, 2018
    I love fanless builds! :D

    Do you mean you just let the case without the top cover? (Can't see it by the pictures you posted)
     
  3. wesbl

    wesbl SFF Lingo Aficionado
    Thread Starter

    Nope.
    I have the top cover but I fixed with only 2 screws instead 4.
     
    Kooki likes this.
  4. confusis

    confusis John Morrison. Writer, Editor, Awesome Person.
    Site Staff

    How are your temps? I've had nothing but bad luck with the Jonsbo C2 and it killing even low power rigs because the cooling isn't the best.
     
  5. ignsvn

    ignsvn Master of Cramming

    Bring it to us in SEA here, the high temperature & humidity will kill it even faster :D
     
  6. confusis

    confusis John Morrison. Writer, Editor, Awesome Person.
    Site Staff

    Similar to north NZ in the summer, trust me XD
     
    ignsvn likes this.
  7. wesbl

    wesbl SFF Lingo Aficionado
    Thread Starter

    #7 wesbl, Jun 14, 2018
    Last edited: Jun 14, 2018
    Not bad in my opinion, because I don't need airflow.
    With 30°C ambient temperature CPU is 44°C in Idle. The problem is HDPLEX AC-DC adapter, It's the hottest component of the rig.
    I've tried to put the HDPLEX outside (on the AC-DC) and temperature was almost 10°C lower...

    Have you tried a "sandwich" CPU cooler with fan on pull and the psu fan facing down?
    I know is not optimal for a PSU but maybe If you have the fan that spin according to the heat...
     
  8. confusis

    confusis John Morrison. Writer, Editor, Awesome Person.
    Site Staff

    Idle temperatures aren't that important, it's the load temperatures that I'd be worried about :)
     
  9. wesbl

    wesbl SFF Lingo Aficionado
    Thread Starter

    I've tried prime 95 for almost 30 minutes and CPU temp reached maximum 90°C. But it was before I raised the AC-DC with bolts (Maybe now can be better).
    Tomorrow I will try again, now I'm not at home. :)
     
    Kooki likes this.
  10. confusis

    confusis John Morrison. Writer, Editor, Awesome Person.
    Site Staff

    @wesbl not as bad as I thought!
     
  11. wesbl

    wesbl SFF Lingo Aficionado
    Thread Starter

    #11 wesbl, Jun 15, 2018
    Last edited: Jun 16, 2018
    I've tried again prime 95 and I have same 88/90°C temperature with some drops under 80°C.
    I think MacOS apply throttle at 90°C.

    EDIT

    I'm playing with CPU Vcore.
    With an offset of 0.160 I have a good result with cinebench without throttling.

    [​IMG]
     
    Darthbaggins and confusis like this.
  12. Darthbaggins

    Darthbaggins Chassis Packer

    Not a bad score for a fanless :thumb:
     
  13. Duality92

    Duality92 Cable-Tie Ninja
    Bronze Supporter

    If you remove the expansion slot covers you could gain a bit of intake air from the convection caused the cpu cooler.
     
  14. wesbl

    wesbl SFF Lingo Aficionado
    Thread Starter

    #14 wesbl, Jul 8, 2018
    Last edited: Jul 21, 2018
    I don't think it will change, the have a lot of holes and there is a big hole above.

    EDIT

    Changed offset to -0.170V, new result and slightly better temperatures.

    [​IMG]