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3090 ZOTAC

ZOTAC – GAMING GeForce RTX 3090 Trinity OC thermal pad sizes

Watch thermal pad replacement video
VRAM front:80x40x2mm
VRAM back:80x40x3mm

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. Tiago

    3mm in the back

  2. urielp

    The video this link takes us states they use 3mm in the back.

  3. serhan

    VRAM front: 80x40x2mm

    VRAM back: 80x40x2,5mm

  4. b0urne

    I’d say it’s 1.5mm thickness for the front since the GPU core is getting high on temps (I screwed the core screws all the way). Used 2mm Thermal Grizzly Minus Pad 8.

    • b0urne

      Trinity non-OC though.

      • b0urne

        I stand corrected. It is 2mm for sure. 1.5mm doesn’t makes it so the GPU die is above thermalpads for sure. It’s just with less denser thermalpads it would be easier to get less temp. diff. between hotspot and GPU temps.

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