Hardware Spec Index

Brontix FN-5557 Pro 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN5557-PRO · Released 2022 · Updated 2026-10-25

Key facts

Benchmark index700 (Case Fans scale)
Category rank#19,945
Street price$19
Power3 W
Performance per dollar36.84
Released2022

Specifications

BrandBrontix
ModelBrontix FN-5557 Pro
Size140 × 140 × 25 mm
Speed500–2,200 RPM (PWM)
Airflow105.6 CFM
Static pressure2.09 mmH₂O
Noise31 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-5449 SE 120mm PWM ARGB Case Fan1,005$29Compare
Caldera FN-8461 Ultra 120mm PWM Case Fan598$19Compare
Brontix FN-2870 Plus 140mm PWM Case Fan373$9Compare
Zephyra FN-3326 Edge 120mm PWM ARGB Case Fan (3-Pack)1,014$29Compare
Brontix FN-2274 Ultra 120mm PWM ARGB Case Fan (3-Pack)1,111$39Compare
Corvane FN-6718 Plus 120mm PWM ARGB Case Fan (3-Pack)1,257$39Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-5557 Pro 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/19944217 (accessed 2026-10-25).