Hardware Spec Index

Brontix FN-4971 Prime 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN4971-PRIME · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index1,069 (Case Fans scale)
Category rank#37,829
Street price$29
Power3 W
Performance per dollar36.86
Released2020

Specifications

BrandBrontix
ModelBrontix FN-4971 Prime
Size140 × 140 × 25 mm
Speed400–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 mmH₂O
Noise31 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4971 Prime 140mm PWM ARGB Case Fan”, https://vextor7.com/item/2618232 (accessed 2026-10-25).