Hardware Spec Index

Brontix FN-5977 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN5977-ULTRA · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index615 (Case Fans scale)
Category rank#42,704
Street price$19
Power3 W
Performance per dollar32.37
Released2021

Specifications

BrandBrontix
ModelBrontix FN-5977 Ultra
Size120 × 120 × 25 mm
Speed500–1,600 RPM (PWM)
Airflow54.4 CFM
Static pressure1.76 mmH₂O
Noise27 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-5977 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/37213 (accessed 2026-10-19).