Hardware Spec Index

Brontix FN-4977 Max 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN4977-MAX · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index518 (Case Fans scale)
Category rank#17,464
Street price$19
Power4 W
Performance per dollar27.26
Released2020

Specifications

BrandBrontix
ModelBrontix FN-4977 Max
Size140 × 140 × 25 mm
Speed200–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise25 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4977 Max 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/91157 (accessed 2026-10-19).