Best Cpu Air Coolers

Thermalright's Peerless Assassin Mini delivers exceptional thermal performance in a compact form factor, making it ideal for small-case builds. Machines & More praised its sturdy construction and strong cooling ability despite its reduced size. The cooler features a single 120mm fan with fluid dynamic bearing and is priced at $35, matching the full-size version's cost without discount. While it lacks the premium features of some competitors, its performance justifies the price for users needing a compact solution.

The Thermalright AXP90-X47 Full is an all-copper low-profile CPU cooler that delivers exceptional performance within its 47mm height constraint, according to sff.gg. It outperforms all other coolers in its class and is considered one of the best available. The cooler features a 4x 6mm copper heat pipe design with a nickel-coated copper base and cooling fins. While it offers excellent cooling performance, the mounting system requires securing from the back of the motherboard, which is considered outdated. The included orange stock fan is not aesthetically compatible with most systems, though the review recommends swapping it for an NF-A9x14 or RTX 4070 CNC fan.

ID Cooling's IS-47-XT v2 offers practical design features like screw-type fan mounting and easy installation without the rear nut method, making it user-friendly for cable management and build flexibility. The cooler supports 90-degree rotation mounting, allowing users to adjust airflow direction based on their system configuration. However, it uses a stock fan and delivers less cooling performance than premium models such as the IS-50X V2, making it more suitable for budget-conscious users who prioritize ease of installation over maximum thermal performance.

be quiet!'s Pure Rock Pro 3 Black offers high cooling performance with its dual-tower design and 6mm heat pipes, delivering strong thermal results while maintaining a compact profile. The included Pure Wings 3 fans provide excellent airflow and pressure, though reviewers noted inconsistencies in the product's specification sheet. TechPowerUp praised its performance and quiet operation, making it suitable for high-end systems and overclocking. Users seeking a balance between cooling capacity and noise will find it well-suited, though those requiring precise fan specifications may encounter issues.

The cooler features a single-tower design with a fat tower that improves airflow, and its fan mount uses four screws for a firm connection. However, performance is middling on AMD CPUs compared to competition. The Freezer 36 follows the prior Freezer 34 Esports Duo and avoids the mistakes of the Freezer 50, which was criticized for strapping plastic appendages to a cooler.

The Noctua NH-D15 G2 splits its reviewers on price rather than performance. Club386 measured the lowest temperatures of any air cooler in its comparison on a Core i9-13900K and called it "a generational leap in air cooling performance for those with the deepest of pockets." Tom's Hardware measured about 240W cooled on a Core i7-14700K, 10W more than the original NH-D15, but concluded it "isn't worth $150 USD" and reported inconsistent fan noise on its sample. GamersNexus called it an impressive cooler it would not recommend by default at the price, because cheaper air coolers come close and Arctic's Liquid Freezer III 360 liquid cooler beats it for less.

The Thermalright AXP90-X36 is a compact low-profile CPU cooler designed for small form factor builds, featuring a 36mm profile that fits HTPC and ITX cases. According to TensorScience, it offers broad compatibility with Intel and AMD sockets and includes a nickel-plated copper base for efficient heat transfer. The cooler operates quietly at 22.4 dB and is well-suited for users seeking reliable cooling in space-constrained environments. However, it lacks mounting stops that could risk motherboard damage if overtightened, and it's not recommended for overclocking or high-intensity workloads. This cooler is ideal for casual users and regular desktop users who prioritize quiet operation and space efficiency.