Hardware Spec Index

Brontix FN-1891 Core 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN1891-CORE · Released 2024 · Updated 2026-10-26

Key facts

Benchmark index628 (Case Fans scale)
Category rank#43,925
Street price$19
Power4 W
Performance per dollar33.05
Released2024

Specifications

BrandBrontix
ModelBrontix FN-1891 Core
Size140 × 140 × 25 mm
Speed300–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise34 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-1891 Core 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/8203419 (accessed 2026-10-26).