Noctua or Akasa? CPU Coolers Compared in 2026
As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.
You are comparing the Noctua SFF Foam CPU Cooler Fan Duct Kit against the Akasa 92mm Copper Core CPU Cooler. Both aim to improve system thermals, but they serve different roles. The noctua vs akasa CPU cooler choice depends on your case type and cooling needs. Noctua offers a modular duct for small form factor cases to improve airflow. Akasa provides a complete heatsink and fan solution for standard towers. One is an accessory; the other is a primary cooler.
Key differences
| Aspect | Noctua SFF Foam CPU Cooler Fan Duct Kit | Akasa 92mm Copper Core CPU Cooler |
|---|---|---|
| Product Type | Fan duct kit | Complete heatsink and fan |
| Fan Size | Not listed | 92mm |
| Socket Compatibility | Compatible with NH-L9i/a series | LGA 1200/1151/1150/1155/1156/775 |
| TDP Rating | Not listed | 115W |
| Material | EVA foam | Copper core and aluminium fins |
Which one should you choose?
Choose Noctua SFF Foam CPU Cooler Fan Duct Kit if
- You build a small form factor PC and need to bridge the gap between your cooler and case panel.
- You already own a Noctua NH-L9 series low-profile cooler and want to improve its airflow efficiency.
Choose Akasa 92mm Copper Core CPU Cooler if
- You need a complete, standalone air cooler for an Intel LGA 115x socket motherboard.
- You want a copper-based heatsink with a 92mm PWM fan rated for 115W TDP systems.
Verdict: Choose the Noctua option if you are optimizing an existing low-profile setup in a small case. Pick the Akasa model if you require a full, budget-friendly tower cooler for standard Intel platforms.
Noctua vs Akasa Cooler Specs
Cooling role
The Noctua NA-FD1 is a fan duct kit, not a standalone cooler. It bridges the gap between a fan and perforated case panels to help existing coolers draw in fresh air. The Akasa 92mm Copper Core is a complete CPU cooler with a heatsink and fan. It handles TDP up to 115W. You cannot directly compare their cooling power because one is an accessory and the other is a primary thermal solution. Your choice depends on whether you need a full cooler or a performance boost for an existing SFF setup.
Socket support
The Akasa cooler supports a wide range of Intel sockets, including LGA 1200, 1151, 1150, 1155, 1156, and 775. It also offers variations for LGA1700 and LGA1851. The Noctua duct kit is compatible with specific NH-L9 series coolers, such as the NH-L9i and NH-L9a for AM4 and AM5. The Akasa unit covers more motherboard types out of the box. The Noctua product requires you to already own a compatible low-profile cooler. Socket compatibility favors the Akasa for general builds.
Fan size
The Akasa cooler uses a 92mm PWM fan. This fan size allows for automatic speed regulation based on CPU usage, aiming for quiet operation under normal loads. The Noctua duct kit does not include a fan. It works with the fans attached to your existing NH-L9 series cooler. The fan size for the Noctua setup is determined by the cooler you pair it with, typically 92mm or 95mm depending on the model. The Akasa provides the fan component, while the Noctua relies on your existing hardware.
Build material
The Akasa cooler features a copper core base and bi-ped aluminium fins. This combination aims to provide efficient heat transfer and dissipation. The Noctua duct kit is made from EVA foam spacers. These spacers are adjustable from 5 to 45mm in 1mm increments. The Akasa uses a rolling bearing in its fan to reduce friction and extend lifespan to 40,000 hours. The Noctua kit uses foam for structural adjustment. The Akasa offers more substantial thermal materials.
Dimensions
The Akasa cooler measures 3.74 inches in width and length, with a height of 2.44 inches. It weighs 12.3 ounces. The Noctua duct kit is larger in footprint, measuring 4.72 inches in length and 3.9 inches in width. Its height is 1.89 inches, and it weighs only 1.9 ounces. The Akasa is a compact, dense unit. The Noctua kit is lighter but covers a wider area to fit case panels. Size requirements differ significantly between the two products.
Which Noctua or Akasa cooler suits you
Small form factor PC builders using SFF cases
You need the Noctua NA-FD1 to bridge the gap between your fan and perforated case panels. This modular foam kit adjusts from 5 to 45mm, ensuring your NH-L9 series cooler draws fresh air. It fits cases like the Dan A4-SFX and improves cooling performance by up to 5°C. It is a specialized accessory for tight spaces.
Users with Intel CPUs needing direct cooling
The Akasa 92mm Copper Core provides direct cooling for Intel LGA 1200, 1151, 1150, 1155, 1156, and 775 sockets. It supports up to 115W TDP with a copper base and aluminum fins. The rolling bearing fan offers quiet operation and a 40,000-hour lifespan. It is a complete solution for standard desktop builds.
Those wanting simple installation without mounting tools
You will appreciate the Akasa cooler's Intel-approved pushpins. They slide into place automatically, removing the need for manual mounting adjustments. The unit weighs 12.3 ounces and includes a 92mm PWM fan. This straightforward design helps you install the cooler quickly while maintaining reliable performance for everyday computing tasks.
People needing specific SFF case compatibility
Choose the Noctua kit if you use a Loque Ghost S1 or similar small form factor case. It is designed specifically to work with NH-L9i and NH-L9a coolers. The black foam spacers ensure a precise fit. This accessory optimizes airflow for your existing cooler rather than replacing it.
The products compared
Noctua SFF Foam CPU Cooler Fan Duct Kit
Best for: SFF builds with Noctua NH-L9 coolers
- Features
- Fan
- Dimensions
- 4.72 × 3.9 × 1.89 inches
- Weight
- 1.9 ounces
View on Amazon: Noctua SFF Foam CPU Cooler Fan Duct Kit Affiliate link
The Noctua NA-FD1 is a fan duct kit designed for small form factor PCs. It uses EVA foam spacers to bridge the gap between the fan and case panels. The spacers adjust from 5 to 45mm. This setup helps draw fresh air for improved cooling. It fits specific Noctua NH-L9 series coolers. You should use this if you have a Dan A4-SFX or Loque Ghost S1 case.
Pros
- Adjustable EVA foam spacers from 5 to 45mm
- Compatible with NH-L9i, NH-L9a, and AM5 variants
- Designed for SFF cases like Dan A4-SFX
- Trusted Noctua build quality
Cons
- Only works with specific Noctua NH-L9 series coolers
- Does not fit standard ATX cases
- Requires separate purchase of compatible cooler
Good fit if
- You build in a Dan A4-SFX case
- You use a Noctua NH-L9 series cooler
- You want to improve airflow in a small case
Skip if
- You use a standard ATX case
- You have a cooler other than the NH-L9 series
- You need a complete cooling solution
Verdict: Noctua NA-FD1 Fan Duct Kit is a specialized accessory for SFF builds. It helps you get better cooling from your NH-L9 cooler. It fits well if you use a Dan A4-SFX case.
Akasa 92mm Copper Core CPU Cooler
Best for: Intel LGA 1200 budget builds
- Socket Compatibility
- LGA 1200/1151/1150/1155/1156/775
- Fan Size
- 92mm
- TDP Rating
- 115W
- Material
- Copper
- Features
- Fan
- Dimensions
- 3.74 × 3.74 × 2.44 inches
View on Amazon: Akasa 92mm Copper Core CPU Cooler Affiliate link
This Akasa cooler uses a copper base and aluminium fins to handle up to 115W TDP. The 92mm PWM fan adjusts speed based on CPU load, keeping noise low during light tasks. It fits Intel sockets from LGA 775 to LGA 1200. The compact 3.74-inch width makes it suitable for smaller cases. It is a practical option for standard desktop builds that do not require extreme cooling.
Pros
- Copper core base for efficient heat transfer
- 92mm PWM fan for adjustable noise levels
- Rolling bearing supports up to 40,000 hours of use
- Pushpin installation for easy mounting
Cons
- 92mm fan size limits maximum airflow potential
- 115W TDP rating may struggle with high-end chips
- Does not support newer LGA 1700 sockets in this variant
Good fit if
- You need a budget-friendly cooler for Intel LGA 1200
- You are building a standard ATX desktop
- You prioritize quiet operation over peak cooling performance
Skip if
- You have an Intel LGA 1700 processor
- You are using a high-TDP CPU over 115W
- You need a cooler for a very tight SFF case
Verdict: Akasa Copper Core 92mm CPU Cooler is a reliable entry-level option for Intel LGA 1200 systems. It fits users who want quiet operation and easy installation without needing high-end thermal headroom.
Specifications side by side
| Spec | Noctua SFF Foam CPU Cooler Fan Duct Kit | Akasa 92mm Copper Core CPU Cooler |
|---|---|---|
| Socket Compatibility | not stated | LGA 1200/1151/1150/1155/1156/775 |
| Fan Size | not stated | 92mm |
| TDP Rating | not stated | 115W |
| Material | not stated | Copper |
| Features | Fan | Fan |
| Dimensions | 4.72 × 3.9 × 1.89 inches | 3.74 × 3.74 × 2.44 inches |
| Weight | 1.9 ounces | 12.3 ounces |
| Size | One Size | not stated |
| Color | Black | not stated |
| Model | NA-FD1 | AK-959CU |
Frequently asked questions
Can I use the Noctua fan duct kit with any CPU cooler?
No. This accessory is designed specifically for SFF builds with Noctua NH-L9 coolers. It helps you get better cooling from your NH-L9 cooler by directing airflow. It fits well if you use a Dan A4-SFX case. It does not function as a standalone cooling unit for other processors.
Does the Akasa copper core cooler support AMD sockets?
No. The Akasa 92mm Copper Core CPU Cooler lists socket compatibility for LGA 1200 and LGA 775. These are Intel socket types. The product data does not mention support for AMD AM4 or AM5 sockets. You should verify your motherboard socket before purchasing this specific model for your system.
Is the Akasa cooler suitable for gaming PCs?
It is a reliable entry-level option for Intel LGA 1200 systems. It fits users who want quiet operation and easy installation without needing high-end thermal headroom. Gaming PCs often generate more heat. This cooler is designed for budget builds rather than high-performance gaming rigs that require advanced cooling solutions.
What is the weight of the Noctua duct kit?
The Noctua NA-FD1 Fan Duct Kit weighs 1.9 ounces. It is a lightweight accessory for small form factor cases. The kit measures 3.9 inches in width and 4.72 inches in length. Its low weight makes it easy to install in tight spaces without adding significant mass to your build.
Can the Akasa cooler fit in a standard ATX case?
Yes. The Akasa 92mm Copper Core CPU Cooler has dimensions of 3.74 inches by 3.74 inches by 2.44 inches. This size allows it to fit in most standard ATX cases. It is designed for Intel LGA 1200 and LGA 775 sockets. Check your case clearance to ensure it fits your specific motherboard layout.
Does the Noctua kit include a fan?
No. The product is listed as a Fan Duct Kit. Its features list only includes a fan accessory, but it is a foam duct, not a motorized fan. It is designed to work with your existing Noctua NH-L9 cooler. You must provide the fan separately for the system to operate.
Is the Akasa cooler made entirely of copper?
The product attributes list copper as the material. It is a 92mm CPU cooler with a copper core. This material helps with heat dissipation. The cooler is designed for quiet operation. It is a good choice for users who want reliable cooling without the noise of high-speed fans in their system.
Which cooler is better for a Dan A4-SFX case?
The Noctua NA-FD1 is the better choice. It fits well if you use a Dan A4-SFX case. It helps you get better cooling from your NH-L9 cooler by improving airflow. The Akasa cooler is not mentioned for this specific case. The Noctua kit is specialized for small form factor builds like this one.