Hardware Spec Index

Brontix FN-4971 Pro 120mm PWM Case Fan

Case Fans · Brontix · SKU FN4971-PRO · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index637 (Case Fans scale)
Category rank#44,247
Street price$19
Power4 W
Performance per dollar33.53
Released2021

Specifications

BrandBrontix
ModelBrontix FN-4971 Pro
Size120 × 120 × 25 mm
Speed300–3,000 RPM (PWM)
Airflow102.0 CFM
Static pressure3.30 mmH₂O
Noise33 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4971 Pro 120mm PWM Case Fan”, https://vextor7.com/item/446954 (accessed 2026-10-22).