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- Best overall: DeepCool LT720 360mm Liquid CPU Cooler
- Best budget: Thermalright Peerless Assassin 120 SE CPU Air Cooler
- Best premium: Noctua NH-D15 chromax.black CPU Cooler
- Best for thermal-paste maintenance: Thermal Grizzly Kryonaut 1g Thermal Paste
- DeepCool LT720 is a 360mm liquid cooler; Thermal Grizzly Kryonaut is thermal paste, so the products serve different roles.
- Choose an all-in-one cooler or air cooler to manage CPU heat; choose thermal paste to improve contact between the processor and cooler.
- Thermal Grizzly Kryonaut 1g is a focused paste pick, while ARCTIC MX-6 4g offers a larger tube for multiple applications.
- Check case clearance, CPU socket support, radiator space and cooler height before buying any CPU cooling product.
- Compare Black Friday 2026 options by compatibility and intended use, not by treating paste and complete coolers as substitutes.
DeepCool LT720 vs Thermal Grizzly Kryonaut Black Friday searches compare two products that do different jobs: the DeepCool LT720 is a 360mm liquid CPU cooler, while Thermal Grizzly Kryonaut is thermal paste. One moves heat away from the processor; the other fills microscopic gaps between the processor and a cooler’s contact plate. They are not direct alternatives.
I’m Marcus Reed, and I researched and compared specs, reviews and owner feedback to build this practical guide for Black Friday 2026. My pick for most people depends on the upgrade: choose a complete cooler when replacing an existing cooling system, or choose paste when refreshing a cooler you already own. The alternatives below cover liquid coolers, air coolers and thermal pastes, with fit and use case front and center.
How We Picked
- Compared product purpose first, separating complete CPU coolers from thermal interface pastes.
- Reviewed key specifications such as cooler size, fan count, paste quantity and heat-pipe count.
- Considered compatibility factors, including socket support, radiator clearance, cooler height and application needs.
- Used product specifications, reviews and owner feedback to identify practical strengths and trade-offs.
- Favored clear use cases so shoppers can match a purchase to a system upgrade or maintenance job.
Comparison Table
| Product | Best for | Cooling type | Key size or quantity | Notable numeric specification |
|---|---|---|---|---|
| DeepCool LT720 360mm Liquid CPU Cooler | 360mm liquid cooling | Liquid AIO | 360mm radiator | 3 fans; up to 2,250 RPM |
| Thermal Grizzly Kryonaut 1g Thermal Paste | A small paste application | Thermal paste | 1g | 12.5 W/mK |
| ARCTIC Liquid Freezer III 360 A-RGB Black CPU Cooler | RGB liquid cooling | Liquid AIO | 360mm radiator | 38mm radiator thickness |
| Noctua NH-D15 chromax.black CPU Cooler | Premium air cooling | Air cooler | 165mm height | 6 heat pipes |
| Thermalright Peerless Assassin 120 SE CPU Air Cooler | Value-focused air cooling | Air cooler | 155mm height | 6 heat pipes |
| Thermal Grizzly Kryonaut Extreme 2g Thermal Paste | Premium paste in a larger package | Thermal paste | 2g | 14.2 W/mK |
| ARCTIC MX-6 4g Thermal Paste | Multiple maintenance applications | Thermal paste | 4g | Non-electrically conductive |
| CORSAIR TM30 Performance Thermal Paste 3g | A straightforward cooler refresh | Thermal paste | 3g | 3.8 W/mK |
DeepCool LT720 vs Thermal Grizzly Kryonaut Black Friday Deals 2026
#1 · Top pick
DeepCool LT720 360mm Liquid CPU Cooler
The DeepCool LT720 360mm Liquid CPU Cooler is the best 360mm liquid cooler for builders seeking a distinctive pump design and broad cooling capacity, with three 120mm fans rated up to 2,250 RPM.
Best for: High-performance builds with room for a 360mm radiator
- Radiator class
- 360mm
- Included fans
- 3 × 120mm
- Fan speed
- 500–2,250 RPM
- Pump speed
- Up to 3,100 RPM
- Three-fan radiator provides substantial heat-dissipation area.
- Geometric pump cover gives the build a distinct visual feature.
- Includes fans and a radiator as a complete cooling package.
- A 360mm radiator requires a compatible case and careful clearance checks.
Is the DeepCool LT720 360mm Liquid CPU Cooler worth buying on Black Friday 2026?
The DeepCool LT720 360mm Liquid CPU Cooler is worth considering for a build with 360mm radiator clearance and a need for a complete liquid-cooling system. The DeepCool LT720 360mm Liquid CPU Cooler's three 120mm fans and 3,100 RPM pump make it a full cooler, unlike thermal paste.
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#2
Thermal Grizzly Kryonaut 1g Thermal Paste
The Thermal Grizzly Kryonaut 1g Thermal Paste is the best focused paste pick for builders refreshing a CPU cooler, with a 1g tube and a manufacturer-stated thermal conductivity of 12.5 W/mK.
Best for: A cooler refresh or a small number of applications
- Package quantity
- 1g
- Thermal conductivity
- 12.5 W/mK
- Temperature range
- −200°C to 350°C
- Small package suits a single maintenance job.
- Designed for CPU and GPU cooling applications.
- Non-electrically conductive formula simplifies routine application.
- Does not include a heatsink, fan or liquid-cooling system.
Is the Thermal Grizzly Kryonaut 1g Thermal Paste worth buying on Black Friday 2026?
The Thermal Grizzly Kryonaut 1g Thermal Paste is worth considering when an existing cooler needs fresh interface material. The 1g tube is a compact choice for a limited number of applications, but it cannot replace a complete CPU cooler such as the DeepCool LT720.
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#3
ARCTIC Liquid Freezer III 360 A-RGB Black CPU Cooler
The ARCTIC Liquid Freezer III 360 A-RGB Black CPU Cooler is the best feature-rich 360mm alternative for builders who want lighting and integrated cooling hardware, with a 38mm-thick radiator.
Best for: RGB-focused builds with 360mm radiator space
- Radiator class
- 360mm
- Radiator thickness
- 38mm
- Included fans
- 3 × 120mm
- Fan speed
- 200–2,000 RPM
- Includes three A-RGB fans.
- Integrated VRM fan adds airflow around the socket area.
- Thick radiator provides substantial surface area.
- The thick radiator needs more clearance than many standard radiators.
Is the ARCTIC Liquid Freezer III 360 A-RGB Black CPU Cooler worth buying on Black Friday 2026?
The ARCTIC Liquid Freezer III 360 A-RGB Black CPU Cooler is a strong option for a compatible case with room for its 38mm radiator. The three 120mm A-RGB fans and integrated VRM fan make it a complete cooling upgrade, not a paste-only purchase.
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#4
Noctua NH-D15 chromax.black CPU Cooler
The Noctua NH-D15 chromax.black CPU Cooler is the best premium air cooler for builders who prefer a large dual-tower design, with 2 included 140mm fans and 6 heat pipes.
Best for: Quiet-focused builds with generous CPU-cooler clearance
- Cooler height
- 165mm
- Included fans
- 2 × 140mm
- Heat pipes
- 6
- Tower design
- Dual tower
- Air-cooling design avoids a pump and liquid loop.
- Two large fans support airflow through both towers.
- Black finish suits understated or dark-themed builds.
- Large height and width require case and memory clearance checks.
Is the Noctua NH-D15 chromax.black CPU Cooler worth buying on Black Friday 2026?
The Noctua NH-D15 chromax.black CPU Cooler is worth considering for a build with 165mm of cooler clearance and room around the memory slots. The Noctua NH-D15 chromax.black CPU Cooler's dual towers, six heat pipes and two 140mm fans provide a complete air-cooling setup without a radiator.
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#5
Thermalright Peerless Assassin 120 SE CPU Air Cooler
The Thermalright Peerless Assassin 120 SE CPU Air Cooler is the best value-focused dual-tower air cooler for practical builds, with 6 heat pipes and 2 included 120mm fans.
Best for: Value-focused air-cooled gaming and desktop builds
- Cooler height
- 155mm
- Included fans
- 2 × 120mm
- Heat pipes
- 6
- Tower design
- Dual tower
- Includes two fans and a dual-tower heatsink.
- Shorter than many large premium air coolers.
- Six heat pipes support heat transfer through the fin stacks.
- Check RAM and case clearance before installation.
Is the Thermalright Peerless Assassin 120 SE CPU Air Cooler worth buying on Black Friday 2026?
The Thermalright Peerless Assassin 120 SE CPU Air Cooler is a practical choice for builders seeking a complete dual-tower air cooler. The Thermalright Peerless Assassin 120 SE CPU Air Cooler's 155mm height suits more cases than taller designs, though socket support, memory clearance and case dimensions still need checking.
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#6
Thermal Grizzly Kryonaut Extreme 2g Thermal Paste
The Thermal Grizzly Kryonaut Extreme 2g Thermal Paste is the best premium paste pick for experienced users who want a larger quantity, with a 2g package and manufacturer-stated conductivity of 14.2 W/mK.
Best for: Experienced builders who want premium paste for multiple applications
- Package quantity
- 2g
- Thermal conductivity
- 14.2 W/mK
- Temperature range
- −250°C to 350°C
- Larger package than the 1g Kryonaut option.
- Designed for high-performance CPU and GPU cooling applications.
- Paste format works with an existing heatsink or cooler.
- Requires a separate compatible cooler.
Is the Thermal Grizzly Kryonaut Extreme 2g Thermal Paste worth buying on Black Friday 2026?
The Thermal Grizzly Kryonaut Extreme 2g Thermal Paste is worth considering for experienced users who want a 2g package for more than one application. The paste supports an existing cooling system; it does not add a radiator, fan or heatsink.
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#7
ARCTIC MX-6 4g Thermal Paste
The ARCTIC MX-6 4g Thermal Paste is the best larger-tube paste pick for routine maintenance, with a 4g package suited to several cooler applications.
Best for: Routine CPU or GPU maintenance across multiple applications
- Package quantity
- 4g
- Product type
- Thermal paste
- Conductivity
- Non-electrically conductive
- 4g tube offers more material than a 1g package.
- Suitable for CPU and GPU cooling maintenance.
- Works with an existing cooler and heatsink.
- Does not improve cooling without correct cooler contact and installation.
Is the ARCTIC MX-6 4g Thermal Paste worth buying on Black Friday 2026?
The ARCTIC MX-6 4g Thermal Paste is a sensible option for routine maintenance or several applications. The 4g tube supplies interface material for existing coolers, while builders who need a complete cooling system should select an air or liquid cooler.
See today’s Black Friday price on Amazon
#8
CORSAIR TM30 Performance Thermal Paste 3g
The CORSAIR TM30 Performance Thermal Paste 3g is the best straightforward paste pick for a cooler refresh, with a 3g tube and a manufacturer-stated thermal conductivity of 3.8 W/mK.
Best for: Straightforward maintenance with a familiar PC-cooling brand
- Package quantity
- 3g
- Thermal conductivity
- 3.8 W/mK
- Product type
- Thermal paste
- 3g quantity suits more than one application.
- Designed for use between a processor and cooler.
- Simple alternative to replacing an entire cooling system.
- Paste alone does not provide fans, a heatsink or a radiator.
Is the CORSAIR TM30 Performance Thermal Paste 3g worth buying on Black Friday 2026?
The CORSAIR TM30 Performance Thermal Paste 3g is worth considering for a cooler refresh when the existing heatsink remains suitable. The 3g tube provides interface material for application, but it is not a substitute for a complete CPU cooling assembly.
See today’s Black Friday price on Amazon
Are the DeepCool LT720 and Thermal Grizzly Kryonaut direct alternatives?
The DeepCool LT720 360mm Liquid CPU Cooler is a complete cooler; Thermal Grizzly Kryonaut 1g Thermal Paste is interface material. They solve different problems.
A cooler moves heat away from the processor. Paste fills tiny gaps between the processor and cooler plate; it cannot cool a CPU alone.
Choose the DeepCool LT720 360mm Liquid CPU Cooler for a full cooling-system replacement and a case with 360mm radiator support. Choose Thermal Grizzly Kryonaut 1g Thermal Paste to refresh a suitable existing cooler.
Which cooling pick is best for a complete CPU upgrade?
The DeepCool LT720 360mm Liquid CPU Cooler and ARCTIC Liquid Freezer III 360 A-RGB Black CPU Cooler are 360mm liquid coolers. The Noctua NH-D15 chromax.black CPU Cooler and Thermalright Peerless Assassin 120 SE CPU Air Cooler are air-cooling alternatives.
Check case and socket compatibility, radiator clearance, cooler height and memory clearance before choosing. Thermal paste is a maintenance item, not a substitute for a complete cooler.
Which thermal paste should you choose for maintenance?
Thermal Grizzly Kryonaut 1g Thermal Paste suits a limited application. ARCTIC MX-6 4g Thermal Paste and CORSAIR TM30 Performance Thermal Paste 3g offer more paste for multiple cooler refreshes. Thermal Grizzly Kryonaut Extreme 2g Thermal Paste is another package option.
Follow the application instructions, clean away old paste and secure the cooler evenly. Fresh paste cannot fix a blocked radiator, failed fan or undersized cooler.
What should you check before buying on Black Friday 2026?
Check processor socket, case dimensions, radiator mounts and cooler clearance before comparing features. A 360mm liquid cooler needs room for its radiator and fans; an air cooler must fit the case and clear memory modules.
For paste, match package quantity to the number of applications. Compare exact model names and variants, including RGB versions. New system builds also need a complete cooler.
Is liquid cooling or air cooling the better fit?
The DeepCool LT720 360mm Liquid CPU Cooler uses a radiator; the Noctua NH-D15 chromax.black CPU Cooler and Thermalright Peerless Assassin 120 SE CPU Air Cooler use heatsinks.
Choose based on case clearance, socket support, memory space, fan layout and maintenance preference. Thermal paste is a separate need for either cooling type.
Buying Guide
Match the product to the job
The DeepCool LT720 360mm Liquid CPU Cooler replaces a cooler; Thermal Grizzly Kryonaut 1g Thermal Paste refreshes the interface.
Check case and socket compatibility
Confirm radiator mounts, socket support and clearance. The Noctua NH-D15 chromax.black CPU Cooler stands 165mm tall.
Pick the right paste quantity
Thermal Grizzly Kryonaut 1g Thermal Paste suits a limited application; ARCTIC MX-6 4g Thermal Paste covers more jobs.
Compare the full cooler package
Compare radiator, heatsink, fan and pump details. The DeepCool LT720 360mm Liquid CPU Cooler includes three fans; the Thermalright Peerless Assassin 120 SE CPU Air Cooler has two.
Check the exact variant
Verify the full model name, size and lighting variant. ARGB, non-RGB and paste products are distinct options.
FAQ
DeepCool LT720 vs Thermal Grizzly Kryonaut: which is better for Black Friday 2026?
The DeepCool LT720 360mm Liquid CPU Cooler is the better choice for replacing a complete cooling system, while Thermal Grizzly Kryonaut 1g Thermal Paste suits a cooler refresh. The products are not direct alternatives: one includes a radiator and fans, and the other is paste.
Can Thermal Grizzly Kryonaut replace the DeepCool LT720?
Thermal Grizzly Kryonaut 1g Thermal Paste cannot replace the DeepCool LT720 360mm Liquid CPU Cooler. Kryonaut is interface material used between a processor and cooler; the LT720 is a complete liquid cooler with a 360mm radiator and three fans.
Is Thermal Grizzly Kryonaut Extreme better than standard Kryonaut?
Thermal Grizzly Kryonaut Extreme 2g Thermal Paste is a premium paste option with a 2g package and a manufacturer-stated conductivity of 14.2 W/mK. Thermal Grizzly Kryonaut 1g Thermal Paste is a smaller package. Choose based on application needs and product fit.
Is the ARCTIC Liquid Freezer III 360 A-RGB Black CPU Cooler compatible with every PC case?
The ARCTIC Liquid Freezer III 360 A-RGB Black CPU Cooler is not compatible with every case. The 360mm radiator is 38mm thick before fan clearance, so check the case’s radiator mounts, available space and motherboard socket support before purchasing.
Should I choose the Noctua NH-D15 chromax.black CPU Cooler or Thermalright Peerless Assassin 120 SE?
The Noctua NH-D15 chromax.black CPU Cooler suits builds with room for its 165mm height and dual 140mm fans. The Thermalright Peerless Assassin 120 SE is 155mm tall and uses two 120mm fans. Check case and memory clearance for either model.
How much thermal paste should I buy for a CPU cooler refresh?
Thermal Grizzly Kryonaut 1g Thermal Paste suits a limited application, while CORSAIR TM30 Performance Thermal Paste 3g and ARCTIC MX-6 4g Thermal Paste provide larger quantities. Choose by the number of applications needed and follow the product’s application instructions.