Thermal Grizzly Heatsinks: 7 Picks Ranked by Specs
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This guide ranks the best thermal grizzly heatsinks and thermal accessories based on published specifications. We compare 7 products to help you choose the right component for your build. Thermal Grizzly offers thermal pads in various sizes and a dedicated heatspreader for AM5 sockets. The top pick is the Thermal Grizzly Carbonaut 25x25mm Thermal Pad, which leads due to its high 62.5 W/m·K conductivity in a compact form. These selections rely strictly on the data provided in each listing.
Quick picks
Our 7 picks
Thermal Grizzly Carbonaut 25x25mm Thermal Pad
Best for: High-performance GPU thermal management
- Compatible Device
- Nvidia RTX 2080
- Dimensions
- 25 x 25 x 0.2 mm
- Length
- 0.98 inches
- Width
- 0.98 inches
View on Amazon: Thermal Grizzly Carbonaut 25x25mm Thermal Pad
This Thermal Grizzly Carbonaut pad measures 25 x 25 x 0.2 mm. It offers a high thermal conductivity of 62.5 W/m·K. The pad handles temperatures from -40°F to 330°F. It fits Nvidia RTX 2080 GPUs. You need to avoid contact with terminals to prevent short circuits. This spec-focused pad suits users who need high performance in a small footprint.
Pros
- High thermal conductivity of 62.5 W/m·K
- Wide usable temperature range from -40°F to 330°F
- Compact 25 x 25 x 0.2 mm dimensions
Cons
- Very thin 0.2 mm profile limits gap filling
- Risk of short-circuiting if attached to terminals
- Specific compatibility limited to Nvidia RTX 2080
Good fit if
- You need high thermal conductivity for a GPU
- You have a compact case with tight clearances
- You are cooling an Nvidia RTX 2080
Skip if
- You require a thicker pad for large gaps
- You cannot ensure no terminal contact
- You use a GPU not listed as compatible
Verdict: Thermal Grizzly Carbonaut 25mm Square delivers 62.5 W/m·K conductivity in a tiny 25 mm square. It fits Nvidia RTX 2080 users who prioritize thermal performance and have precise installation control.
Thermal Grizzly Carbonaut 31x25mm Thermal Pad
Best for: Nvidia RTX 2080 Ti GPU cooling
- Compatible Device
- Nvidia RTX 2080 Ti
- Dimensions
- 31 x 25 x 0.2 mm
- Length
- 1.22 inches
- Width
- 0.98 inches
View on Amazon: Thermal Grizzly Carbonaut 31x25mm Thermal Pad
This is a Thermal Grizzly Carbonaut thermal pad designed for specific GPU cooling needs. It features a high thermal conductivity of 62.5 W/m·K. The dimensions are 31 x 25 x 0.2 mm. It fits the Nvidia RTX 2080 Ti. The usable temperature range spans from -40°F to 330°F. You should use it when you need precise thermal interface material for high-end graphics cards.
Pros
- High thermal conductivity of 62.5 W/m·K
- Thin 0.2 mm profile for tight spaces
- Wide operating temperature range from -250°C to 150°C
- Specifically compatible with Nvidia RTX 2080 Ti
Cons
- Very small 31 x 25 mm size limits use cases
- Risk of short-circuiting if attached to terminals
- Not suitable for general CPU cooling applications
Good fit if
- You are cooling an Nvidia RTX 2080 Ti
- You need a high-conductivity thermal pad
- You require a thin 0.2 mm profile
Skip if
- You need a large thermal pad for a CPU
- You are building a standard desktop PC cooler
- You want a product with a warranty
Verdict: Thermal Grizzly Carbonaut 31x25mm is a specialized thermal pad for Nvidia RTX 2080 Ti GPUs. You should buy it only if you need its specific high conductivity and small size for that graphics card.
Thermal Grizzly Minus Pad Extreme 120x20x1.5mm
Best for: GPU cooling with high compression needs
- Compatible Device
- GPU
- Features
- Thermal Pad
- Dimensions
- 4.72 × 0.79 × 0.07 inches
- Weight
- 0.71 ounces
View on Amazon: Thermal Grizzly Minus Pad Extreme 120x20x1.5mm
This Thermal Grizzly Minus Pad Extreme is a silicone-based thermal interface pad designed for GPU cooling. It measures 120 by 20 by 1.5 mm and offers high compression rates to ensure efficient heat transfer. The pad features excellent thermal conductivity and prevents material bleeding. You should choose this pad if you need a self-adhesive solution with long-term stability for your graphics card components.
Pros
- Silicone-based material allows perfect surface shaping
- High compression rate ensures optimal heat transfer
- Prevents material bleeding for clean application
- Self-adhesive backing simplifies installation
Cons
- Narrow 20 mm width limits coverage area
- Specific 1.5 mm thickness may not fit all gaps
- Only compatible with GPU devices
Good fit if
- You need a thermal pad for a GPU
- You require high compression for tight spaces
- You want a self-adhesive thermal interface
Skip if
- You need a pad for a CPU
- You require a wider pad than 20 mm
- You prefer a non-adhesive thermal pad
Verdict: Thermal Grizzly Minus Pad Extreme 120x20x1.5mm is a specialized thermal pad for GPU cooling. It fits users who need high compression and a narrow profile for specific graphics card components.
Thermal Grizzly AM5 Diamond-Mill Heatspreader
Best for: AM5 Ryzen-7000 temperature reduction
- Material
- Nickel-plated copper
- Compatible Device
- Intel CPUs
- Dimensions
- 3.94 x 1.97 x 0.5 inches
- Socket Compatibility
- AM5
View on Amazon: Thermal Grizzly AM5 Diamond-Mill Heatspreader
This nickel-plated copper heatspreader replaces the stock cover on AMD Ryzen-7000 processors. It features a diamond-milled precision surface to increase heat dissipation area. The unit measures 3.94 by 1.97 inches and sits 0.5 inches high. It works with both air and liquid coolers on AM5 motherboards. You get improved thermal transfer and stable operation for your CPU.
Pros
- 240% larger surface area than standard covers
- Diamond-milled nickel-plated copper construction
- Up to 10 degrees Celsius temperature reduction
- Compatible with air and liquid coolers
Cons
- Only fits AM5 socket motherboards
- Requires replacement of existing CPU cover
- Does not include mounting hardware
Good fit if
- You own an AM5 Ryzen-7000 processor
- You want to lower CPU temperatures
- You use air or AIO liquid cooling
Skip if
- You have an Intel or older AMD socket
- You prefer the stock CPU cover look
- You need a complete cooling solution
Verdict: Thermal Grizzly AM5 Diamond-Mill Heatspreader helps AM5 Ryzen-7000 users reduce temperatures by up to 10 degrees Celsius through its larger nickel-plated copper surface area.
Thermal Grizzly Minus Pad Advance 100x100x1.0mm 2-Pack
Best for: GPU VRAM and SSD controller cooling
- Compatible Device
- GPU, SSD, VRAM, Consoles, Laptops
- Dimensions
- 100x100x1.0 mm
- Features
- Thermal Pad
- Length
- 3.94 inches
- Width
- 3.94 inches
View on Amazon: Thermal Grizzly Minus Pad Advance 100x100x1.0mm 2-Pack
This is a non-curing thermal pad designed for GPU, SSD, and VRAM cooling. It features a high thermal conductivity material to transfer heat efficiently from chipsets and controllers. The 1.0 mm thickness helps compensate for contact tolerances during assembly. You get two pads per pack in a 100x100 mm size. The dark grey material is electrically non-conductive, making it safer for sensitive components.
Pros
- High thermal conductivity for efficient heat transfer
- Electrically non-conductive for safer use
- Flexible material compensates for contact tolerances
- Non-curing formula ensures long-term stability
Cons
- Only available in 1.0 mm thickness for this pack
- Limited to 100x100 mm pad size
- Does not include mounting hardware
Good fit if
- You need to cool VRAM on a GPU
- You are installing an SSD heatsink
- You require electrically non-conductive padding
Skip if
- You need a thickness other than 1.0 mm
- You require pads larger than 100x100 mm
- You are cooling a CPU directly
Verdict: Thermal Grizzly Minus Pad Advance 2x 100x100x1.0 mm fits users who need reliable, non-conductive thermal transfer for GPU and SSD components. It is a practical solution for filling gaps between chips and heatsinks.
Thermal Grizzly Minus Pad High Compression 1.0mm 2-Pack
Best for: Cooling GPU VRAM and SSD controllers
- Compatible Device
- GPU, SSD, VRAM
- Dimensions
- 120x100x1 mm
- Features
- Thermal Pad
- Length
- 4.72 inches
- Width
- 3.94 inches
- Weight
- 1.23 ounces
View on Amazon: Thermal Grizzly Minus Pad High Compression 1.0mm 2-Pack
This is a thermal pad designed for GPU, SSD, and component cooling. It features a high compression material with very good thermal conductivity. The pad is flexible to compensate for contact tolerances during assembly. Each pack contains two pads measuring 120x100x1 mm. It is non-curing and electrically non-conductive, making it suitable for sensitive electronic parts like VRAM and chipsets.
Pros
- High compression material for reliable heat transfer
- Flexible design compensates for contact tolerances
- Electrically non-conductive for safer use
- Non-curing formula ensures long-term stability
Cons
- Limited to 1 mm thickness in this variant
- Only covers specific component areas like VRAM
- Requires precise measurement for optimal fit
Good fit if
- You need to cool GPU VRAM or SSD controllers
- You require non-conductive thermal interface material
- You want flexible pads for easy installation
Skip if
- You need thicker pads for larger gaps
- You are cooling a CPU directly
- You prefer pre-applied thermal pads
Verdict: Thermal Grizzly Minus Pad High Compression 2x 120x100x1 mm is a practical choice for users who need to cool specific GPU or SSD components with a flexible, non-conductive pad.
Thermal Grizzly Carbonaut Thermal Pad 38x38mm
Best for: Intel 20XX series compact builds
- Compatible Device
- Intel 20XX series
- Dimensions
- 38 x 38 x 0.2 mm
- Length
- 1.5 inches
- Width
- 1.5 inches
- Weight
- 0.71 ounces
View on Amazon: Thermal Grizzly Carbonaut Thermal Pad 38x38mm
This Thermal Grizzly Carbonaut heatsink is a solid choice for Intel 20XX series processors. It measures 38 by 38 by 0.2 mm and offers a thermal conductivity of 62.5 W/mK. The unit weighs just 0.71 ounces. It handles temperatures from -250°C to 150°C. You should use it if you need high performance in a small footprint. Be careful to avoid short circuits on terminals.
Pros
- High thermal conductivity of 62.5 W/mK
- Compact 38x38x0.2 mm dimensions
- Lightweight at 0.71 ounces
- Wide usable temperature range of -40°F to 330°F
Cons
- Very thin 0.2 mm height may limit airflow
- Risk of short-circuiting if attached to terminals
- Limited to Intel 20XX series support
Good fit if
- You need a compact solution for Intel 20XX CPUs
- You prioritize high thermal conductivity in a small size
- You require a lightweight heatsink under 1 ounce
Skip if
- You use AMD processors
- You cannot avoid terminal contact risks
- You need a thicker heatsink for better airflow
Verdict: Thermal Grizzly Carbonaut 38x38x0.2mm fits users needing high conductivity in a tiny Intel 20XX form factor. It suits those who can manage the short-circuit risk and tight space constraints.
Specifications side by side
| Spec | Thermal Grizzly Carbonaut 25x25mm Thermal Pad | Thermal Grizzly Carbonaut 31x25mm Thermal Pad | Thermal Grizzly Minus Pad Extreme 120x20x1.5mm | Thermal Grizzly AM5 Diamond-Mill Heatspreader | Thermal Grizzly Minus Pad Advance 100x100x1.0mm 2-Pack | Thermal Grizzly Minus Pad High Compression 1.0mm 2-Pack | Thermal Grizzly Carbonaut Thermal Pad 38x38mm |
|---|---|---|---|---|---|---|---|
| Material | not specified | not specified | not specified | Nickel-plated copper | not specified | not specified | not specified |
| Compatible Device | Nvidia RTX 2080 | Nvidia RTX 2080 Ti | not specified | Intel CPUs | GPU, SSD, VRAM, Consoles, Laptops | GPU, SSD, VRAM | Intel 20XX series |
| Dimensions | 25 x 25 x 0.2 mm | 31 x 25 x 0.2 mm | not specified | 3.94 x 1.97 x 0.5 inches | 100x100x1.0 mm | 120x100x1 mm | 38 x 38 x 0.2 mm |
| Socket Compatibility | not specified | not specified | not specified | AM5 | not specified | not specified | not specified |
| Features | not specified | not specified | Thermal Pad | not specified | Thermal Pad | Thermal Pad | not specified |
| Length | 0.98 inches | 1.22 inches | not specified | not specified | 3.94 inches | 4.72 inches | 1.5 inches |
| Width | 0.98 inches | 0.98 inches | not specified | not specified | 3.94 inches | 3.94 inches | 1.5 inches |
| Weight | not specified | not specified | 0.71 ounces | not specified | not specified | 1.23 ounces | 0.71 ounces |
| Size | 25×25×0.2(H)mm | 31×25×0.2(H)mm | 120 × 20 × 1,5 mm | not specified | 100x100x1,0mm | 120x100x1.0mm (2 Pack) | 38×38×0.2(H)mm |
| Model | TG-CA-25-25-02-R | TG-CA-31-25-02-R | TG-MPE-120-20-15-R | TG-HPHS-AM5 | TG-MP-A-100-100-10-2 | TG-MP-HC-120-100-10-2 | TG-CA-38-38-02-R |
| Color | not specified | not specified | Minus Pad Extreme | Silver | Dark Grey | Dark Grey | not specified |
Thermal Grizzly Heatsink Picks
You can group these items by their intended hardware. The AM5 Diamond-Mill Heatspreader targets Ryzen-7000 processors to lower temperatures. It uses a nickel-plated copper surface to improve heat transfer. This is the only option for direct CPU contact in this list. Other products focus on graphics cards and storage. The Carbonaut pads serve high-performance GPUs like the RTX 2080. They offer high conductivity in small 25 mm squares. The Minus Pad Extreme fits narrow GPU components. It provides high compression for tight spaces. The Minus Pad Advance suits VRAM and SSD controllers. It offers reliable non-conductive transfer for 100x100 mm gaps. Choose based on your specific socket or chip size.
Where Thermal Grizzly fits
Thermal Grizzly covers a narrow niche of specialized thermal management. The range spans from tiny 25 mm square pads for precise GPU work to larger 120 mm sheets for VRAM and SSD controllers. You also get a dedicated copper heatspreader for AM5 sockets. Most items are non-conductive pads designed for tight gaps. The lineup lacks general-purpose CPU air coolers or broad-spectrum thermal pastes. If you need standard cooling solutions, this brand does not offer them. Stick to these pads for specific component heat transfer needs.
If you prefer storage with integrated cooling, review specifications for the best nvme SSDs with heatsink.
How to Choose the Right Thermal Grizzly Heatsink
-
Match Socket Compatibility
Check the socket support before buying. Most items in this list are thermal pads for graphics cards. The AM5 Diamond-Mill Heatspreader is the only option for direct CPU contact. It fits AM5 Ryzen-7000 processors. You should only select this if you have an AM5 motherboard. Other pads cover VRAM or controller chips. They do not touch the CPU directly. Verify your processor socket matches the product description. Using the wrong interface will not improve temperatures.
-
Check Physical Dimensions
Measure the gap between your chip and heatsink carefully. Thermal pads come in precise sizes. The Carbonaut 25x25mm pad is tiny. It fits specific Nvidia RTX 2080 layouts. The Minus Pad Extreme is 120mm long but only 20mm wide. You must ensure the pad covers the target component completely. A pad that is too small leaves hot spots. A pad that is too large might touch surrounding circuits. Always compare the length and width specs to your hardware.
-
Consider Thickness for Gaps
Pad thickness determines how well it fills space. The Carbonaut pads are 0.2mm thick. This is very thin. It requires precise spacing on the graphics card. The Minus Pad Extreme is 1.5mm thick. This suits components with larger gaps. You need enough thickness to compress fully. If the gap is too large, the pad will not make contact. If the gap is too small, the pad might not fit. Check the height spec in millimeters or inches.
-
Verify Component Type
Identify what you are cooling. Most products here are for GPU VRAM or SSD controllers. The AM5 heatspreader is for the CPU. You cannot swap them. A thermal pad for VRAM will not cool a CPU die effectively. The AM5 heatspreader uses nickel-plated copper. It transfers heat away from the processor. Ensure the product matches the heat source. Using a GPU pad on a CPU will result in poor performance. Match the component type to the product design.
-
Assess Installation Control
Some pads require careful handling. The Carbonaut pads have high conductivity. They can pose a short-circuit risk if misaligned. You need precise installation control. The Minus Pad Advance is non-conductive. This is safer for general use. It fills gaps between chips and heatsinks. If you are not confident in your alignment skills, choose a non-conductive option. The AM5 heatspreader is a rigid plate. It requires mounting hardware. Assess your ability to install the specific product.
Frequently asked questions
What is the best thermal grizzly heatsink for RTX 2080 cards?
The Carbonaut 25x25mm Thermal Pad is the top choice for Nvidia RTX 2080 users. It offers 62.5 W/m·K conductivity in a compact 25 mm square form factor. This size suits those who need precise thermal management and have control over installation. Its high conductivity ensures efficient heat transfer from the GPU die to the cooler.
Which Thermal Grizzly pad works best for AM5 Ryzen processors?
The AM5 Diamond-Mill Heatspreader is the only option designed for direct CPU contact on AM5 sockets. It targets Ryzen-7000 processors to help reduce temperatures by up to 10 degrees Celsius. The unit features a larger nickel-plated copper surface area to improve heat dissipation. Its dimensions are 3.94 x 1.97 x 0.5 inches.
Are there thermal pads for cooling SSD controllers and VRAM?
Yes, the Minus Pad Advance and Minus Pad High Compression pads are ideal for these components. The Advance 100x100x1.0mm 2-Pack provides reliable non-conductive transfer for GPU and SSD chips. The High Compression 120x100x1.0mm 2-Pack offers flexibility for filling gaps between chips and heatsinks. Both are practical solutions for specific cooling needs.
What is the smallest Thermal Grizzly thermal pad available?
The Carbonaut 25x25mm Thermal Pad is the smallest option, measuring 25 x 25 x 0.2 mm. It is designed for high-performance GPU thermal management where space is limited. Its tiny footprint suits users who prioritize thermal performance and can manage precise installation. This model fits specific requirements for Nvidia RTX 2080 graphics cards.
Which Thermal Grizzly pad is best for high compression needs?
The Minus Pad Extreme 120x20x1.5mm is built for high compression scenarios. It features a narrow profile suitable for specific graphics card components that require tight contact. This specialized pad fits users who need to manage heat in constrained spaces. It is a practical choice for GPU cooling where standard pads may not suffice.
Does Thermal Grizzly offer pads for Intel 20XX series builds?
The Carbonaut 38x38mm Thermal Pad is suitable for Intel 20XX series compact builds. It provides high conductivity in a 38 x 38 x 0.2 mm size. This option suits users who can manage short-circuit risks and tight space constraints. It delivers efficient thermal transfer for components in smaller form factors.
What is the best budget Thermal Grizzly option for RTX 2080 Ti?
The Carbonaut 31x25mm Thermal Pad is the recommended budget pick for Nvidia RTX 2080 Ti GPUs. It offers specialized high conductivity in a small 31 x 25 x 0.2 mm size. You should buy it only if you need this specific fit for your graphics card. It ensures effective heat transfer for that particular model.