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Meet The Finished Product

Build Your Own: Single-Slot GeForce GTX 750 Ti
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The installation dimensions of our little experiment match Nvidia's reference card, aside from significantly reduced depth (a single-slot form factor) and it's just a little bit longer, since the cooler overlaps the PCB a bit. So, we took our own measurements matching the distances in the diagram above. With a purpose-built low-profile PCB, this could easily be made even smaller.

Technical Data
Foundation
Reference GeForce GTX 750 Ti
Dimensions
Length L = 158 mm
Height H = 105 mm
Depth D1 = 16 mm
Depth D2 = 3 mm
Weight
192 g
Pros
+ Flat
+ Efficient
+ Low-profile possible
Cons
- You have to cut your own mounting holes
- Currently, only coolers with 43 mm spacing for AMD cards fit
- Not really silent due to small fan

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Top Comments
  • 18 Hide
    silverblue , March 12, 2014 1:56 AM
    And now... fitting a Titan/780 Ti cooler to a 290X. ;) 
Other Comments
  • 4 Hide
    de5_Roy , March 12, 2014 1:26 AM
    i've been waiting to read it for a while. it was very good.
    one aspect of gcn based radeons is that despite their low power use in entry level cards, all of them use higher amount of pwoer during bluray playback. both kepler and maxwell (gm107) use quite less. a single slot, low profile operation, a card with gpu like gm107 will be very suitable for htpc. not to mention the sheer amount of gaming performance advantage over other gfx card around the same power use. hopefully, the future 20nm gpus will introduce even more performance under the same power use.
  • 8 Hide
    brarboy , March 12, 2014 1:42 AM
    Amd and Nvidia in same boat. You really got my attention here :D 
  • 18 Hide
    silverblue , March 12, 2014 1:56 AM
    And now... fitting a Titan/780 Ti cooler to a 290X. ;) 
  • 0 Hide
    AMD Radeon , March 12, 2014 2:08 AM
    Sorry i edit this
  • 9 Hide
    dish_moose , March 12, 2014 2:11 AM
    I get a little cautious about making holes in multi layer pcbs and using metal screws. Without knowing the power plane structure and clearances, you gamble shorting out internal layers if you are not lucky/careful.-Bruce
  • 4 Hide
    jamesedgeuk2000 , March 12, 2014 2:54 AM
    I think I have noticed a flaw with what you guys did here. The card only supply's power to the fan it doesn't regulate PWM or sense RPM, so am I correct in assuming that it's using voltage regulation to control fan speed and therefore doing it blind based on it's temperature curve? If so then as you have replaced the standard fan with a much weaker one you should really consider raising the fan curve to compensate.
  • 1 Hide
    CodeMatias , March 12, 2014 3:04 AM
    Why not use a K2000 cooler? also nvidia small die so it might work better, and K2000 is ~80W so it should cool the 750ti just fine.
  • 1 Hide
    CodeMatias , March 12, 2014 3:05 AM
    Quote:
    And now... fitting a Titan/780 Ti cooler to a 290X. ;) 
    Asus already did... It doesn't work, the 290X just draws too much power
  • 3 Hide
    Captain75 , March 12, 2014 3:25 AM
    I need a low profile version of the card though -_-
  • 3 Hide
    AndrewJacksonZA , March 12, 2014 3:34 AM
    Quote:
    And now... fitting a Titan/780 Ti cooler to a 290X. ;) 
    Yes silverblue, yes! :-)
  • 2 Hide
    Onus , March 12, 2014 3:44 AM
    I'm sorry, but this is NOT a "low profile" card. It is single-slot, but not low-profile. It needs to be able to fit in an InWin BK655.300 (or similar mITX case) to be low-profile. For that, the circuit board itself must be short.
  • 3 Hide
    FormatC , March 12, 2014 4:47 AM
    Quote:
    Why not use a K2000 cooler? also nvidia small die so it might work better, and K2000 is ~80W so it should cool the 750ti just fine.

    The cooler doesn't fit. Some caps and coils are too high and the distance between the holes is not compatible. I've tried other FirePro cards but it was not possible too...

    Quote:
    The card only supply's power to the fan it doesn't regulate PWM or sense RPM, so am I correct in assuming that it's using voltage regulation to control fan speed

    This fan is voltage controlled, right. The goal was to use Boost to limit the temps and show you that you lost only a little bit performance. I had no non-Ti in my hands to ise it. This slower card is really perfect for this kind of cooling :( 

    Quote:
    I get a little cautious about making holes in multi layer pcbs and using metal screws.

    It is one of the rules, that around this holes is nothing. You have always 1 mm reserve and more ;) 
  • 1 Hide
    Pedasc , March 12, 2014 5:11 AM
    Just to echo Onus the AMD card they took the cooler off of is "low profile". This card still has a full size PCB, it is not "low profile".
  • 4 Hide
    FormatC , March 12, 2014 5:31 AM
    The goal was only to show, that a low-profile and single-slot card might work. It's clear that nobody can take a saw and modify the reference board... :D 
  • 6 Hide
    AndrewJacksonZA , March 12, 2014 5:41 AM
    Quote:
    It's clear that nobody can take a saw and modify the reference board... :D 
    <obligatory>Chuck Norris can.</obligatory> ;-)

  • 8 Hide
    de5_Roy , March 12, 2014 6:23 AM
    Quote:
    Quote:
    It's clear that nobody can take a saw and modify the reference board... :D 
    <obligatory>Chuck Norris can.</obligatory> ;-)


    chuck norris does not need a saw to modify the reference nvidia pcb down to low profile form factor. he simply throws the card in the air and roundhouse kicks it to cutoff the excess height and into to the motherboard's pcie x16 slot. the shock wave from the roundhouse kick then causes the case re-assemble itself and the pc to start.

  • 5 Hide
    vertexx , March 12, 2014 6:30 AM
    Now if only someone would come out with a single-slot low-profile version. That would really be something!
  • 0 Hide
    renz496 , March 12, 2014 9:45 AM
    Quote:
    I'm sorry, but this is NOT a "low profile" card. It is single-slot, but not low-profile. It needs to be able to fit in an InWin BK655.300 (or similar mITX case) to be low-profile. For that, the circuit board itself must be short.


    then get this card and replace the heatsink

    http://www.galaxytech.com/__EN_GB__/Product2/ProductDetail?proID=517&isStop=0&isPack=False&isPow=False
  • 0 Hide
    Onus , March 12, 2014 9:53 AM
    Yeah, it can't be double-slot. I couldn't tell if it has the half-height bracket though, and the spec sheet doesn't list it as an accessory.
  • 3 Hide
    RedJaron , March 12, 2014 11:05 AM
    Quote:
    Quote:
    And now... fitting a Titan/780 Ti cooler to a 290X. ;) 
    Asus already did... It doesn't work, the 290X just draws too much power

    The reason this didn't work is because the GK110 chip is quite a bit larger than Hawai'i. In Asus' case, two of the heat pipes don't even touch the chip and were useless.


    There's no reason a 780 type cooling solution can't be used, but you need to address the smaller surface area on the chip for optimal heat transference.
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