Arctic MX-6 vs Noctua NT-H1 Black Friday 2026: Best Picks

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ARCTIC MX-6 Thermal Paste 4 g is my leading all-around choice against Noctua NT-H1 Thermal Compound 3.5 g for Black Friday 2026, while Noctua NT-H1 remains a reliable option for simple CPU and GPU maintenance. Both are non-electrically conductive thermal compounds, and neither requires a curing period.

I researched and compared specs, reviews and owner feedback to assemble a practical shortlist for desktop builders, laptop owners and anyone refreshing an older system. The picks include compact syringes for one repair and larger packages for repeat applications. Check the package size and application method before buying: a larger tube is useful only when there are more devices to service.

How We Picked

• Compared the manufacturers’ published product details, including package size, stated use and application guidance.
• Reviewed owner feedback for recurring comments about spreading, handling, packaging and routine CPU or GPU maintenance.
• Included both small syringes for a single application and larger formats for multiple builds.
• Prioritized electrically non-conductive compounds suited to common processor and graphics-card maintenance.
• Selected products with distinct strengths so readers can choose by ease, quantity and intended use rather than brand name alone.

Comparison Table

Product	Best for	Package mass	Thermal conductivity	Best use
ARCTIC MX-6 Thermal Paste 4 g	Most CPU and GPU refreshes	4 g	Not published	Everyday maintenance
ARCTIC MX-6 Thermal Paste 8 g	Repeat builds and multiple devices	8 g	Not published	Frequent servicing
Noctua NT-H1 Thermal Compound 3.5 g	Simple CPU maintenance	3.5 g	Not published	Occasional applications
Noctua NT-H1 Thermal Compound 10 g	Frequent maintenance and shared toolkits	10 g	Not published	Multi-device servicing
Noctua NT-H2 Thermal Paste 3.5 g	Enthusiasts wanting Noctua’s NT-H2 formula	3.5 g	Not published	Focused CPU or GPU work
ARCTIC MX-4 Thermal Compound 4 g	Routine repasting on a budget	4 g	Not published	Everyday maintenance
Thermal Grizzly Kryonaut Thermal Grease 1 g	Enthusiasts prioritizing a published conductivity figure	1 g	12.5 W/mK	Focused performance builds

Best Picks Reviewed

#1 · Top pick

ARCTIC MX-6 Thermal Paste 4 g

The ARCTIC MX-6 Thermal Paste 4 g is the best overall thermal paste for most desktop and laptop maintenance, with a 4 g syringe sized for several applications rather than a single spread.

Best for: Most CPU and GPU refreshes

Package mass

4 g

Syringes included

1

Electrical conductivity

0 (non-electrically conductive)

Curing period

0 hours; no curing required

Pros

• Useful middle ground between a one-off sample and a large tube.
• Non-electrically conductive formula supports routine CPU and GPU work.
• Suitable for desktop processors, graphics cards and laptop servicing.

Cons

• Application still takes care and a clean surface; the syringe does not replace proper preparation.

Is the ARCTIC MX-6 Thermal Paste 4 g worth buying on Black Friday 2026?

Yes. ARCTIC MX-6 Thermal Paste 4 g is a sensible choice for a PC owner who wants one versatile syringe for processor or graphics-card maintenance. The 4 g package offers more flexibility than a single-use amount while remaining compact for a home toolkit.

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#2

ARCTIC MX-6 Thermal Paste 8 g

The ARCTIC MX-6 Thermal Paste 8 g is the best bulk-size pick for repairers and multi-PC households, with an 8 g syringe that provides twice the paste of the 4 g format.

Best for: Repeat builds and multiple devices

Package mass

8 g

Syringes included

1

Electrical conductivity

0 (non-electrically conductive)

Curing period

0 hours; no curing required

Pros

• Larger quantity suits several CPU or GPU applications.
• Shares the MX-6 formula with the smaller syringe.
• Practical for a household maintaining multiple computers.

Cons

• Excess paste is poor value if only one device needs service.

Is the ARCTIC MX-6 Thermal Paste 8 g worth buying on Black Friday 2026?

Yes, ARCTIC MX-6 Thermal Paste 8 g is a good fit when several processors or graphics cards need maintenance. The 8 g quantity gives repeat builders more material in one syringe, but a smaller package is the more practical match for a one-device repair.

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#3

Noctua NT-H1 Thermal Compound 3.5 g

The Noctua NT-H1 Thermal Compound 3.5 g is the best straightforward pick for first-time repasting, with a 3.5 g syringe intended for clean, direct application.

Best for: Simple CPU maintenance

Package mass

3.5 g

Syringes included

1

Electrical conductivity

0 (non-electrically conductive)

Curing period

0 hours; no curing required

Pros

• Established option for common CPU and GPU applications.
• Small syringe suits a home repair kit.
• No curing period is required after application.

Cons

• The 3.5 g format is less suited to frequent multi-device work.

Is the Noctua NT-H1 Thermal Compound 3.5 g worth buying on Black Friday 2026?

Yes. Noctua NT-H1 Thermal Compound 3.5 g is worth considering for a routine processor or graphics-card repaste when a compact, easy-to-store syringe is the priority. The 3.5 g package is a sensible fit for occasional maintenance and does not require a curing period.

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#4

Noctua NT-H1 Thermal Compound 10 g

The Noctua NT-H1 Thermal Compound 10 g is the best high-quantity option for frequent PC servicing, with a 10 g syringe that holds nearly three times the compound of the 3.5 g version.

Best for: Frequent maintenance and shared toolkits

Package mass

10 g

Syringes included

1

Electrical conductivity

0 (non-electrically conductive)

Curing period

0 hours; no curing required

Pros

• Large quantity supports repeated applications.
• Keeps the familiar NT-H1 formula in a single syringe.
• Useful for repair benches and multi-PC households.

Cons

• Large package is unnecessary for occasional single-device servicing.

Is the Noctua NT-H1 Thermal Compound 10 g worth buying on Black Friday 2026?

Yes, Noctua NT-H1 Thermal Compound 10 g suits builders, repairers and households with multiple computers to maintain. The Noctua NT-H1 Thermal Compound 10 g's 10 g quantity is the main advantage over the smaller NT-H1 syringe; choose the compact version if paste will sit unused for extended periods.

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#5

Noctua NT-H2 Thermal Paste 3.5 g

The Noctua NT-H2 Thermal Paste 3.5 g is the best compact upgrade within Noctua’s paste range for enthusiasts, with a 3.5 g syringe for focused CPU or GPU work.

Best for: Enthusiasts wanting Noctua’s NT-H2 formula

Package mass

3.5 g

Syringes included

1

Electrical conductivity

0 (non-electrically conductive)

Curing period

0 hours; no curing required

Pros

• Compact amount fits a single-system maintenance kit.
• Designed for processor and graphics-card applications.
• No curing period is needed.

Cons

• Costs more to keep on hand in bulk than larger package formats.

Is the Noctua NT-H2 Thermal Paste 3.5 g worth buying on Black Friday 2026?

Yes. Noctua NT-H2 Thermal Paste 3.5 g is a worthwhile pick for an enthusiast who wants the NT-H2 formula in a compact syringe. The 3.5 g package is easy to store and covers routine processor or graphics-card maintenance without requiring a curing period.

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#6

ARCTIC MX-4 Thermal Compound 4 g

The ARCTIC MX-4 Thermal Compound 4 g is the best familiar, value-focused alternative for general maintenance, with a 4 g syringe for several small applications.

Best for: Routine repasting on a budget

Package mass

4 g

Syringes included

1

Electrical conductivity

0 (non-electrically conductive)

Curing period

0 hours; no curing required

Pros

• A widely recognized option for everyday PC maintenance.
• 4 g quantity works for more than one small application.
• Non-electrically conductive paste supports common component work.

Cons

• Does not offer the newer MX-6 product designation.

Is the ARCTIC MX-4 Thermal Compound 4 g worth buying on Black Friday 2026?

Yes, ARCTIC MX-4 Thermal Compound 4 g remains a practical option for everyday CPU and GPU maintenance. The 4 g syringe provides a useful quantity for a home toolkit, while shoppers who specifically want ARCTIC’s newer MX-6 line should compare the two formulas before choosing.

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#7

Thermal Grizzly Kryonaut Thermal Grease 1 g

The Thermal Grizzly Kryonaut Thermal Grease 1 g is the best enthusiast-focused pick for a small quantity, with a stated thermal conductivity of 12.5 W/mK.

Best for: Enthusiasts prioritizing a published conductivity figure

Package mass

1 g

Syringes included

1

Thermal conductivity

12.5 W/mK

Curing period

0 hours; no curing required

Pros

• Manufacturer publishes a 12.5 W/mK conductivity figure.
• Small quantity suits a focused application.
• Targeted at performance-oriented system builders.

Cons

• The 1 g package offers less material for repeat servicing.

Is the Thermal Grizzly Kryonaut Thermal Grease 1 g worth buying on Black Friday 2026?

Yes. Thermal Grizzly Kryonaut Thermal Grease 1 g is a focused choice for enthusiasts who value a published conductivity specification and need paste for a small application. The 1 g syringe is less practical for repeated servicing than the larger ARCTIC MX-6 or Noctua NT-H1 packages.

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Which is better, ARCTIC MX-6 or Noctua NT-H1?

ARCTIC MX-6 Thermal Paste 4 g is the more versatile pick for buyers comparing it with Noctua NT-H1 Thermal Compound 3.5 g, while NT-H1 remains a dependable option for straightforward maintenance. Both products suit common CPU and GPU applications and are non-electrically conductive.

Package size is an easy way to separate the options: the 4 g MX-6 format contains more paste than the 3.5 g NT-H1 syringe. For a single repaste, either package is ample for the task; for several devices, larger versions offer a better fit. Neither paste requires a curing period, so normal use does not involve a special break-in routine.

Which thermal paste is the best value for Black Friday 2026?

ARCTIC MX-4 Thermal Compound 4 g and ARCTIC MX-6 Thermal Paste 4 g are practical value picks for buyers who want a useful amount without choosing a large syringe. Noctua NT-H1 Thermal Compound 3.5 g is another sensible size for occasional maintenance.

For value, match the quantity to the number of devices rather than buying the largest tube by default. A larger package is useful for repeat builds, but leftover compound has to be stored correctly and used within its product guidance. Skip it if only one computer needs a small maintenance job.

How much thermal paste should you buy?

A 3.5 g or 4 g syringe is a suitable starting size for most home users maintaining one or a few computers. Noctua NT-H1 Thermal Compound 3.5 g, ARCTIC MX-6 Thermal Paste 4 g and ARCTIC MX-4 Thermal Compound 4 g all occupy that practical range.

Frequent builders and repairers get more use from ARCTIC MX-6 Thermal Paste 8 g or Noctua NT-H1 Thermal Compound 10 g. Thermal Grizzly Kryonaut Thermal Grease 1 g takes the opposite approach: a compact amount for a focused application, rather than a stockroom supply. Keep the syringe cap clean and follow the maker’s storage directions.

Does thermal paste need to be electrically conductive?

ARCTIC MX-6, Noctua NT-H1 and Noctua NT-H2 are non-electrically conductive compounds suited to routine processor and graphics-card maintenance. Thermal Grizzly Kryonaut is also positioned as a non-electrically conductive thermal compound, with a published conductivity figure of 12.5 W/mK.

Thermal paste fills tiny surface gaps between a chip and its cooler; it is not a replacement for correct cooler mounting. Apply a suitable amount to a clean surface and keep compound away from electrical contacts. Follow the exact application guidance for the specific cooler and device.

Which thermal paste is easiest for a first-time repaste?

Noctua NT-H1 Thermal Compound 3.5 g is a straightforward choice for first-time repasting because it comes in a compact syringe and requires no curing period. ARCTIC MX-6 Thermal Paste 4 g is a close alternative for buyers who prefer a slightly larger package.

The quality of surface preparation and cooler installation matters as much as the compound selection. Remove old paste carefully, avoid contaminating the contact surfaces, and secure the cooler evenly according to its instructions. A syringe makes dispensing manageable, but careful application remains important.

Buying Guide

Choose the package size before the formula

For one home PC, compare 3.5 g and 4 g syringes first. A 8 g or 10 g option suits repeat work or several devices. Buying extra material offers little benefit when the syringe will sit unused.

Match the compound to the job

ARCTIC MX-6, ARCTIC MX-4, Noctua NT-H1 and Noctua NT-H2 serve routine CPU and GPU maintenance. Thermal Grizzly Kryonaut is a performance-focused alternative with a published conductivity figure. Use the maker’s directions for the component.

Check the application requirements

Confirm that the product is intended for the surface and device being serviced. Clean off old compound, use a suitable amount, and mount the cooler evenly. None of the listed pastes requires a curing period.

Treat conductivity figures carefully

Thermal Grizzly Kryonaut lists 12.5 W/mK. ARCTIC and Noctua do not publish a directly comparable conductivity figure for every model here. A single number does not describe every aspect of cooling performance or ease of use.

Use Black Friday to compare the right format

For Black Friday 2026, compare product identity and package mass before choosing a listing. Confirm the exact model and syringe quantity on the product page, especially when the same compound appears in several sizes.

FAQ

Is ARCTIC MX-6 better than Noctua NT-H1?

ARCTIC MX-6 Thermal Paste 4 g is the stronger all-around pick in this guide because its 4 g format offers a little more compound than Noctua NT-H1 Thermal Compound 3.5 g. Both suit routine CPU and GPU work, so package preference and product familiarity are useful deciding factors.

Can I use ARCTIC MX-6 on a laptop GPU?

ARCTIC MX-6 Thermal Paste is designed for CPU and GPU applications, so it fits many laptop GPU repastes. Laptop disassembly and thermal interface requirements vary by model. Check the service guidance for the exact computer and avoid replacing thermal pads with paste unless the manufacturer specifies it.

How many applications does a 4 g syringe provide?

ARCTIC MX-6 Thermal Paste 4 g can cover several small applications, but the exact count depends on chip size and how much compound each cooler needs. Follow the manufacturer’s application guidance rather than stretching a syringe to a fixed number of devices.

Does Noctua NT-H1 need a curing time?

Noctua NT-H1 Thermal Compound does not require a curing period. Once the compound is applied and the cooler is mounted correctly, the system can be used normally. Clean contact surfaces and even cooler pressure remain important for a proper installation.

Is Thermal Grizzly Kryonaut electrically conductive?

Thermal Grizzly Kryonaut Thermal Grease is a non-electrically conductive thermal compound. The product lists thermal conductivity at 12.5 W/mK. Keep any paste away from electrical contacts, apply it only to the intended cooling interface, and follow the product instructions.

Should I buy Noctua NT-H1 3.5 g or 10 g?

Noctua NT-H1 Thermal Compound 3.5 g is the better fit for occasional maintenance on one or a few devices. Noctua NT-H1 Thermal Compound 10 g suits frequent builders, repairers and multi-PC households that expect to use the larger quantity.