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Thermal Grizzly Carbonaut - Carbon Thermal Pad - Non-Adhesive, Flexible and Reusable - Very High Thermal Conductivity - Conducts Electricity… (38 × 38 × 0,2 mm)
Thermal Grizzly

Thermal Grizzly Carbonaut

Bottom line: The Thermal Grizzly Carbonaut: 62.5 W/mK thermal conductivity for CPU and GPU cooling; main trade-off: electrically conductive; risky near transistors and transformers.

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By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

Pros & Cons

Pros

  • ✓ 62.5 W/mK thermal conductivity for CPU and GPU cooling
  • ✓ Reusable and non-adhesive; never dries out like paste does
  • ✓ Flexible carbon polymer rated for up to 15 years of use
  • ✓ 38 x 38 x 0.2 mm sheet fits most desktop CPU and GPU dies

Cons

  • ✗ Electrically conductive; risky near transistors and transformers
  • ✗ Single 38 x 38 mm sheet may need trimming for small dies
  • ✗ 0.2 mm thickness won't fill large gaps like thick gap pads

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SpecPicks Verdict

SpecPicks scored Thermal Grizzly Carbonaut using a rating × review-volume × price-fit model applied to published specs and reviews across the retro cpu coolers & fans category. Thermal Grizzly's retro cpu coolers & fans lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for retro cpu coolers & fans of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • Those thermal pads are made from a carbon-based polymer with nanoparticles; They have a high thermal conductivity of 62.5 W/mk
  • The non-adhesive and flexible carbon thermal padding can be used repeatedly and, unlike pastes, does not dry out
  • The thermal conductive pad meets the expectations of gamers and IT enthusiasts alike, who are primarily looking for a high quality product from Thermal Grizzly
  • The thermal pad material is virtually non-degradable, so its properties are solid and its lifespan almost unlimited (rumored to be up to 15 years)
  • Suitable for CPU cooling, GPU cooling, and any application that requires the use of pads instead of thermally conductive pastes; Carbonaut is an electrical conductor - avoid contact between thermal pad and transistors or transformers

Full Specifications

BrandThermal Grizzly
MaterialPolycarbonate (PC)
Unit Count1.0 Count
Model NumberTG-CA-38-38-02-R
Cooling MethodThermal
Item Type NameCPU-Cooler
Mfr Part NumberThermalGrizzlyCarbonautWärmeleitpad-V
Enclosure MaterialPolycarbonate (PC)
Warranty DescriptionOne year manufacturer
Item Dimensions L x W x H3.94"L x 3.94"W x 1.97"H
Global Trade Identification Number00753677507494
Full listing titleThermal Grizzly Carbonaut - Carbon Thermal Pad - Non-Adhesive, Flexible and Reusable - Very High Thermal Conductivity - Conducts Electricity… (38 × 38 × 0,2 mm)

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Thermal Grizzly Carbonaut - Carbon Thermal Pad - Non-Adhesive, Flexible and Reusable - Very High Thermal Conductivity - Conducts Electricity… (38 × 38 × 0,2 mm) is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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Thermal Grizzly Carbonaut - Carbon Thermal Pad - Non-Adhesive, Flexible and Reusable - Very High Thermal Conductivity - Conducts Electricity… (38 × 38 × 0,2 mm)
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