Hardware Spec Index

Brontix FN-4921 Max 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN4921-MAX · Released 2024 · Updated 2026-10-22

Key facts

Benchmark index279 (Case Fans scale)
Category rank#9,780
Street price$9
Power3 W
Performance per dollar31.00
Released2024

Specifications

BrandBrontix
ModelBrontix FN-4921 Max
Size140 × 140 × 25 mm
Speed500–2,200 RPM (PWM)
Airflow105.6 CFM
Static pressure2.09 mmH₂O
Noise34 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4921 Max 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/45915863 (accessed 2026-10-22).