Thermal Grizzly KryoSheet (Graphene Pad/Conductive/Reusable/Commonly Cited ~40.7 W/mK)
- Model:
- Thermal Grizzly KryoSheet
- Compound Type:
- Graphene Pad
- Thermal Conductivity:
- ~40.7 W/mK (commonly cited
- Electrical Conductivity:
- Conductive
- Package Size:
- 24x12mm to 50x50mm sheets
- Recommended Use:
- High-end CPU/GPU (high-wattage GPUs especially)
- Reapplication Interval:
- Reusable across multiple mounts
- Safety Notes:
- Electrically conductive
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Manufacturer: Thermal Grizzly Last updated: September 10, 2026
Description
KryoSheet is Carbonaut's sibling and its main rival in the same breath, a graphene sheet built for the same job: replace paste with something you cut and place instead of spread. It's popped up in more GPU reviews lately, TechPowerUp specifically tested it on a 475W RX 7900 XTX, which tells you the crowd this is actually built for.
KryoSheet is Carbonaut's sibling and its main rival in the same breath, a graphene sheet built for the same job: replace paste with something you cut and place instead of spread. It's popped up in more GPU reviews lately, TechPowerUp specifically tested it on a 475W RX 7900 XTX, which tells you the crowd this is actually built for.
Thermal Performance and Conductivity
Commonly cited around 40.7 W/mK, which is lower than Carbonaut's quoted 62.5 but still well above standard paste. Neither number is something we'd stake our reputation on without checking Thermal Grizzly's current sheet directly, but the gap between the two products is consistent across the reviews we've seen.
Compound Type and Composition
A graphene-based sheet rather than carbon. In practice the two feel similar to install, the underlying material is what sets them apart on paper.
Application and Consistency
Same story as Carbonaut: cut to size, place, mount. No spreading, no applicator, no mess.
Electrical Safety
Also conductive, also not a beginner-friendly material near exposed components. Graphene and carbon pads share this risk profile, don't treat KryoSheet as a "safe" alternative to Carbonaut just because it's a different material.
Longevity and Pump-Out Resistance
Reusable across mounts, same as Carbonaut. This is the actual reason these pads exist, once you've cut it to size you're not buying another one next year.
Comparison to Sibling Products
Against Carbonaut, the honest answer is these two compete head to head and the enthusiast community is split, some builders prefer KryoSheet's real-world GPU results, others stick with Carbonaut's higher quoted number. Against a paste like Arctic MX-6, KryoSheet trades a much higher ceiling for a real safety tradeoff most mainstream builds don't need to take on.
Who This Pad Is Actually For
**Winner for:** high-wattage GPU builds specifically, this is where the reviews actually show it earning its keep. **High-TDP GPU dies and high-end CPUs where every degree counts.** **Builders already comfortable handling conductive thermal interfaces.** **Not for:** Mainstream builds where a standard paste already keeps temps in check. **Not for:** Anyone who hasn't handled a conductive thermal interface before, start with a non-conductive paste first.
Pending Verification
**Thermal Conductivity:** ~40.7 W/mK is commonly cited but not consistently published by Thermal Grizzly.
Specifications
| Brand | Thermal Grizzly |
|---|---|
| Model | Thermal Grizzly KryoSheet , KryoSheet |
| Compound Type | Graphene Pad |
| Thermal Conductivity | ~40.7 W/mK (commonly cited, confirm against current datasheet) |
| Electrical Conductivity | Conductive |
| Package Size | 24x12mm to 50x50mm sheets, 0.2mm thick |
| Recommended Use | High-end CPU/GPU (high-wattage GPUs especially) |
| Reapplication Interval | Reusable across multiple mounts |
| Safety Notes | Electrically conductive; keep clear of exposed board components |
Expert Review
Rated by the Consumercarts editorial team, not by users
Best for
- High-TDP GPU dies and high-end CPUs where every degree counts.
- Builders already comfortable handling conductive thermal interfaces.
Not for
- Mainstream builds where a standard paste already keeps temps in check.
- Anyone who hasn't handled a conductive thermal interface before, start with a non-conductive paste first.