Best 120 mm fans

Our pick for best 120mm case fans

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To keep your system cool and efficient, choosing the right case fan is crucial. In compact or Small Form Factor (SFF) builds, the 120mm case fan is a smart choice. It fits well and helps cool your PC effectively. So, let’s get into the best 120mm case fans for your next PC build.

Best overall fan: Noctua NF-A12x25 PWM

Noctua NF-A12x25

Max Noise

22.6 dB(A)





  • Boasts a record-setting tip clearance, a testament to its advanced design
  • A generous six-year warranty ensures lasting peace of mind
  • Reigns as the pinnacle of static pressure fans, delivering unrivaled performance
  • Offers commendable acoustics, guaranteeing an enjoyable auditory experience
  • Commands a slightly higher price point, reflective of its premium quality

Elevated as a true industry trailblazer, Noctua has yet again exceeded expectations, unveiling their latest marvel: the Noctua NF-A12x25 PWM. Basking in accolades and titles from esteemed hardware platforms worldwide, this 120mm fan masterpiece redefines excellence and secures its throne as the ultimate static pressure fan.

Distinguished by a groundbreaking feature, the Noctua NF-A12x25 PWM flaunts an astonishingly minute gap between its rotating blades and fan case. Harnessing Noctua’s iconic liquid-crystal polymer material, this innovation achieves an unprecedented tip clearance of 0.5mm – a testament to its ingenious design. This meticulous engineering thwarts air leaks and expertly combats back pressure from surfaces of resistance.

Best Silent Case Fan: be Quiet! Silent Wings Pro 4

be quiet! Silent Wings Pro 4 120mm PWM, 3000 RPM Premium Cooling Fan, 4-Pin – BL098

Item Dimensions LxWxH

4.72 x 4.72 x 0.98 inches

Power Connector Type




  • Operates with virtually imperceptible noise, epitomizing silence
  • Backed by a comprehensive warranty for enhanced assurance
  • Innovative speed dial configuration enhances user experience
  • Exhibits premium build quality, reflecting meticulous craftsmanship
  • Positions at a higher price point, reflecting its advanced features
  • Speed dial accessibility post-installation may pose an inconvenience

These remarkable fans stand as a testament to a completely reimagined design, propelling the company into a competitive arena alongside PC fan giants like Noctua and Phanteks. The fusion of visionary aesthetics and advanced technology takes center stage, painting a portrait of mastery. The standout trait of the be quiet! Silent Wings Pro 4 fan, as evident from its name, is its unparalleled noise reduction capabilities. Emitting a near-inaudible hum, it confidently claims the title of the best silent 120mm fan, ushering a realm of tranquility into your setup.

The be quiet! Silent Wings Pro 4 effortlessly scales up to a maximum rotational speed of 3000 RPM, a feat mirrored in rigorous testing. Fluid dynamic bearings and anti-vibration pads orchestrate smooth rotations, harmonizing with the fan’s low noise profile. The ingenious speed switch, offering three distinct configurations, adds a unique touch. However, the convenience of the speed dial post-installation poses a slight drawback.

Best Budget Case Fan: Arctic P12 Slim PWM PST


Item Dimensions LxWxH

Item Dimensions LxWxH

Power Connector Type




  • Revolutionary slim design optimized for small form factor builds
  • Comes with a generous six-year warranty for long-term assurance
  • Offers excellent value with a reasonable price tag
  • Delivers commendable acoustics, ensuring an enjoyable auditory experience
  • No discernible drawbacks to mention

Meet the ARCTIC P12 SLIM PWM PST, an innovation that redefines slimness and sets new standards. This fan’s sleek and slender profile is a game-changer for small form factor builds, injecting a breath of fresh air – quite literally – into tight spaces. Tailored to elevate airflow, even in the most spatially constrained environments, this exceptional fan proves its mettle not only as a case fan but also as a versatile performer for radiators and heatsinks.

Distinguished by its exceptional performance, the ARCTIC P12 SLIM PWM PST has secured a spot as the best budget 120mm fan. Its remarkable design sets it apart, boasting a mere 15mm thickness, a remarkable 10mm slimmer than standard case fans. Impressively, this slender physique doesn’t compromise structural integrity; the build is robust and devoid of flaws. Notably, this 120mm case fan arrives with custom-length screws, catering to unconventional placements where ordinary screws fall short.

In Summary

That pretty much sums up our top 120mm case fan picks. So, nail your airflow with any of our top 3 picks without looking back.

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