Hardware Spec Index

Brontix FN-9657 Pro 120mm PWM Case Fan

Case Fans · Brontix · SKU FN9657-PRO · Released 2023 · Updated 2026-10-25

Key facts

Benchmark index475 (Case Fans scale)
Category rank#5,949
Street price$19
Power4 W
Performance per dollar25.00
Released2023

Specifications

BrandBrontix
ModelBrontix FN-9657 Pro
Size120 × 120 × 25 mm
Speed400–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise22 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-8335 Pro 120mm PWM ARGB Case Fan884$29Compare
Caldera FN-4447 Ti 140mm PWM ARGB Case Fan919$29Compare
Corvane FN-3799 Plus 120mm PWM ARGB Case Fan (3-Pack)1,321$49Compare
Corvane FN-2812 Core 140mm PWM ARGB Case Fan1,215$39Compare
Zephyra FN-4271 Ti 140mm PWM Case Fan672$19Compare
Brontix FN-8330 Ti 140mm PWM Case Fan (3-Pack)417$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-9657 Pro 120mm PWM Case Fan”, https://vextor7.com/item/93970228 (accessed 2026-10-25).