Hardware Spec Index

Brontix FN-4970 Plus 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN4970-PLUS · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index580 (Case Fans scale)
Category rank#22,383
Street price$19
Power3 W
Performance per dollar30.53
Released2019

Specifications

BrandBrontix
ModelBrontix FN-4970 Plus
Size140 × 140 × 25 mm
Speed200–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise23 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4970 Plus 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/51458474 (accessed 2026-10-20).