Hardware Spec Index

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

Case Fans · Brontix · SKU FN4921-PLUS · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index1,371 (Case Fans scale)
Category rank#21,419
Street price$49
Power3 W
Performance per dollar27.98
Released2021

Specifications

BrandBrontix
ModelBrontix FN-4921 Plus
Size140 × 140 × 25 mm
Speed300–2,200 RPM (PWM)
Airflow105.6 CFM
Static pressure2.09 mmH₂O
Noise32 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4921 Plus 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/46569561 (accessed 2026-10-24).