How does it compare to Arctic Silver 5?

Arctic silver is conductive and MX6 is non conductive. Not a good idea using conductive paste.

What is the thermal conductivity expressed in w/mk? other paste show in the description 12.8 w/mk for example, more w/mk is better to dissipate heat.

Why doesn’t ARCTIC communicate thermal conductivity values? ARCTIC made a conscious decision not to specify any values for the thermal conductivity of its thermal paste and thermal pads, because many manufacturers invent, artificially inflate or embellish this value. Thermal paste has a thermal conductivity of 1 to 4 W/mK. Values outside of this range, such as 12.5 W/mK, are at odds with the truth. Many competitors quote values above 4 W/mK to suggest better performance. This often leads to false expectations and dissatisfied users. ARCTIC offers its customers innovative thermal interface materials at the best possible price-performance ratio instead of relying on manipulated performance data.

What is the difference between the mx-5 and mx-6? they both claimed 20% better than mx-4.

Each new model is a 20% upgrade over the last. MX-6 being the better. The others are now out of production, so any bought are from left over stock and are encroaching upon their expiration date ( Not anytime soon)

ARCTIC MX-6 (4 g) - Ultimate Performance Thermal Paste for CPU, Consoles, Graphics Cards, laptops, Very high Thermal Conductivity, Long Durability, Non-Conductive

Product ID: 488701550

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⏳Long-lasting durability, no drying or cracking

❄️20% better thermal conductivity

🛡️Non-conductive, zero short-circuit risk

Description

❄️ Keep your rig frosty and flawless—cooling that means business!

BUILT TO LAST - Durable formula that won’t dry out or crack, reducing maintenance and downtime.
CHILL LIKE A PRO - Experience 20% lower thermal resistance than MX-4 for peak CPU & GPU cooling.
APPLY WITH CONFIDENCE - Perfect viscosity ensures mess-free, stress-free application every time.
STAY COOL STAY QUIET - Optimized for silent operation with no curing time—instant, reliable performance.
AUTHENTICITY GUARANTEED - Each tube verified with ARCTIC’s authenticity check for 100% original quality.

ARCTIC MX-6 is a premium 4g thermal paste engineered for superior heat transfer with 20% better thermal conductivity than its predecessor. Its non-conductive, long-lasting formula ensures safe, mess-free application across CPUs, GPUs, consoles, and laptops. Trusted by pros worldwide, MX-6 delivers instant cooling performance with no curing time and verified authenticity for peace of mind.

Specifications

ASIN	B09VDL3CW6
Assembly required	No
Batteries required	No
Best Sellers Rank	#3 in Silicon Grease
Customer Reviews	4.7 4.7 out of 5 stars (14,862)
Fabric Type	/
Included Components	ARCTIC MX-6 (4 g)
Item Weight	0.229 ounces
Item model number	MX-6 (4 g)
Manufacturer	ARCTIC
Number of pieces	1
Perfume	Unscented
Product Dimensions	3.94 x 3.94 x 3.94 inches
Warranty Description	/

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