Hardware Spec Index

Brontix FN-3955 Pro 140mm PWM Case Fan

Case Fans · Brontix · SKU FN3955-PRO · Released 2022 · Updated 2026-10-22

Key facts

Benchmark index552 (Case Fans scale)
Category rank#4,515
Street price$19
Power4 W
Performance per dollar29.05
Released2022

Specifications

BrandBrontix
ModelBrontix FN-3955 Pro
Size140 × 140 × 25 mm
Speed400–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise30 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Caldera FN-8954 Pro 120mm PWM Case Fan374$9Compare
Teralux FN-9069 Max 120mm PWM Case Fan301$9Compare
Zephyra FN-7749 Ultra 140mm PWM ARGB Case Fan (3-Pack)1,288$49Compare
Brontix FN-5621 Pro 120mm PWM Case Fan567$19Compare
Zephyra FN-1309 Pro 120mm PWM Case Fan302$9Compare
Caldera FN-5071 Max 140mm PWM ARGB Case Fan (3-Pack)1,003$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-3955 Pro 140mm PWM Case Fan”, https://vextor7.com/item/93029630 (accessed 2026-10-22).