Hardware Spec Index

Brontix FN-4891 Prime 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN4891-PRIME · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index1,283 (Case Fans scale)
Category rank#35,220
Street price$49
Power3 W
Performance per dollar26.18
Released2019

Specifications

BrandBrontix
ModelBrontix FN-4891 Prime
Size140 × 140 × 25 mm
Speed200–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise27 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4891 Prime 140mm PWM ARGB Case Fan”, https://vextor7.com/item/2845207 (accessed 2026-10-22).