Cooler Master

Cooler Master CryoFuze 5

Thermal PasteView on coolermaster.com

Material:: Nanoparticle-based compound
Electrical Conductivity:: Non-Conductive
Operating Temp:: -50 to 240 C
Recommended Use:: High-end CPU/GPU

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Manufacturer: Cooler Master Last updated: 2026-09-15

Cooler Master CryoFuze 5 (Nanoparticle-Based/Non-Conductive/Multi-Color Compound/High-End Paste) Review

Cooler Master CryoFuze 5 is the latest addition to the CryoFuze thermal paste series, a multi-color nanoparticle-based compound sold in seven distinct color variants (Magenta, Yellow, Cyan, Blue, Black, White, Purple) for builders who want their thermal paste to match a themed build.

We like that Cooler Master gives you a real spec sheet here instead of just marketing copy: 100 Pa·s viscosity at 22°C, a specific gravity of 3.0 g/cm3, and a stability range from -50°C to 240°C. Cooler Master doesn't publish a W/mK thermal conductivity figure for CryoFuze 5, which is the one gap in an otherwise detailed sheet, so we can't rank it numerically against CryoFuze 7 or the original CryoFuze in this catalog on that measure alone. What we can say is that it ships with a scraper and grease-cleaning cloth, so you're not hunting for a coffee filter and rubbing alcohol substitute during install.

Thermal Performance and Conductivity

Cooler Master has not published a specific W/mK thermal conductivity figure for CryoFuze 5, only viscosity and thermal impedance qualitative marketing claims ("low thermal impedance"). Treat this as an unknown quantity next to compounds in this catalog that do publish a number.

Compound Type and Composition

CryoFuze 5 is a nanoparticle-based grease, the same family as the standard CryoFuze and CryoFuze 7 already in this catalog, but Cooler Master doesn't disclose the specific particle material (unlike, say, an explicitly aluminum or silver formula).

Application and Consistency

At 100 Pa·s and 22°C, this is a moderately thick grease. It ships with a scraper and a grease-cleaning cloth, which covers both application and cleanup without needing separate isopropyl alcohol wipes.

Electrical Safety

Cooler Master describes CryoFuze 5 as electrically insulated, so accidental bridging between contacts during application shouldn't short anything out.

Comparison to Sibling Products

Against CryoFuze 7 (also in this catalog), CryoFuze 5 trades a documented thermal impedance figure for color options and a slightly higher operating temperature ceiling isn't the differentiator here since both max out near 240-250°C. If color matching your build theme matters, CryoFuze 5 is the pick; if you want CryoFuze's lowest published thermal impedance, CryoFuze 7 is 0.03°C·in2/W versus CryoFuze 5's unpublished figure.

Specifications

Application

Viscosity	100 Pa-s
Applicator Included	Spatula

Quantity, volume versus weight

Density	3.0 g/cm3

Electrical Conductivity	Insulating
Package Size	3 g, offered in 7 color variants: Magenta, Yellow, Cyan, Blue, Black, White, Purple
Recommended Use	High-end CPU/GPU (marketed for extreme system builds)
Material	Multi-color nanoparticle-based compound (exact particle chemistry undisclosed by Cooler Master)
Operating Temperature	-50°C to +240°C
Paste Segment	Standard Paste
Min Operating Temp	-50 C
Max Operating Temp	240 C

Expert Review

Reviewed by Burooj Alam. Rated by us, not by users.

Best for

Themed builds where thermal paste color visibility (through a window or spill) matters
Builders who want a scraper and cleaning cloth included in the box

Not for

Buyers who want a hard W/mK number to comparison-shop against other pastes
Extreme overclockers chasing the lowest possible thermal impedance (CryoFuze 7 publishes a specific figure, this doesn't)

FAQs

What are the key specifications of the Cooler Master CryoFuze 5 (Nanoparticle-Based/Non-Conductive/Multi-Color Compound/High-End Paste)?

The Cooler Master CryoFuze 5 (Nanoparticle-Based/Non-Conductive/Multi-Color Compound/High-End Paste) is a thermal paste from Cooler Master. Key specs: Form Paste, Material Multi-color nanoparticle-based compound (exact particle chemistry undisclosed by Cooler Master), Electrical Conductivity Non-Conductive (electrically insulated composition, per Cooler Master), Recommended Use High-end CPU/GPU (marketed for extreme system builds), Package Size 3 g, offered in 7 color variants: Magenta, Yellow, Cyan, Blue, Black, White, Purple.

Who is the Cooler Master CryoFuze 5 (Nanoparticle-Based/Non-Conductive/Multi-Color Compound/High-End Paste) best suited to?

It suits themed builds where thermal paste color visibility (through a window or spill) matters, builders who want a scraper and cleaning cloth included in the box.

What are the drawbacks of the Cooler Master CryoFuze 5 (Nanoparticle-Based/Non-Conductive/Multi-Color Compound/High-End Paste)?

It is a poor fit for buyers who want a hard w/mk number to comparison-shop against other pastes, extreme overclockers chasing the lowest possible thermal impedance (cryofuze 7 publishes a specific figure, this doesn't).