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3090 MSI

MSI – GeForce RTX™ 3090 SUPRIM X 24G thermal pad sizes

Official measurements on second picture came directly from MSI support after a redditor contacted them.

It’s fairly easy to replace thermal pads on the front of the VRAMs but it seems tricky on the back. Like you can see on second attached picture there is a heatsink piece running through the VRAMs, separating them into two pieces with two different thickness. You can either get 1.5 and 2.5mm thicknesses to get it match by the factory pads or you can try with a 3mm and 2mm piece so they push up with the same amount.

Unfortunately an 80x40x2mm and an 80x40x3mm piece just not enough to cover both side of the VRAMs like on most RTX 3080 / 3090 cards.

Back side original sizes – see attached picture at top

  1. 58x15x2mm
  2. 72.5x7x3.5mm
  3. 50x7x1.5mm (2 pcs)
  4. 36x14x2.5mm
  5. 50x5x2.5mm
  6. 50x7x2.5mm
  7. 12x12x2.5mm
  8. 79.23x7x3.5mm

Front side original sizes – see attached picture at bottom

  1. 77×9.3×1.5mm
  2. 79.2x6x1.25mm
  3. 81.4×13.5×1.75mm
  4. 88.5×7.85×1.5mm
  5. 50.6×14.23x2mm (2 pcs)
  6. 14.23×37.8x2mm
  7. 14.23×12.23x2mm
  8. 94×13.5×1.5mm
  9. 102x7x1.25mm
Watch thermal pad replacement video
VRAM front:80x40x2mm
VRAM back:1.5mm and 2.5mm
VRAM back (alternative):2mm and 3mm
Pads on the side:1.5mm, 3mm

Sizes guide

  • The scrissor sign next to a size means it can be cut out from that slice of thermal pad. It is not the actual size! Example: 80x40x2mm
  • One dimension size means it’s the thickness of that pad. Example: 1mm
  • Two or three dimension sizes – with no scrissor sign – means it’s most probably an actual size. Example 100x14x1.5mm

About sizes

Sizes you find here come from various sources. Most of them reported by my clients whom successfully replaced their GPUs’ factory thermal pads with high quality aftermarket pads – getting significant results in their temperature drop. Some of these sizes are actual measurements and others just collected from random users on such websites like Reddit, YouTube or official / unofficial forums.

Do your own research

Please note that I cannot take any responsibility for the sizes appearing here. Do your own research as well before buying and replacing anything.


  • Make sure your pads and GPU die contacts well with the heatsink.
  • Always test your graphic cards and devices in controlled environment.

Share your experience

If you have more accurate information regarding the sizes or anything that worths mentioning please don’t hesitate to share us in the comment form below.


  1. Adrian

    Hey great video, i have the same mouse mat! Do you know where and if replacement pads can be bought from a store?

  2. Kamil

    Thank you for info! I bought new Gelid Ultimate and difference is around 14-18c!
    One big WOW!
    Love you man!

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