Hardware Spec Index

Brontix FN-4990 Prime 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN4990-PRIME · Released 2022 · Updated 2026-10-25

Key facts

Benchmark index915 (Case Fans scale)
Category rank#44,455
Street price$29
Power4 W
Performance per dollar31.55
Released2022

Specifications

BrandBrontix
ModelBrontix FN-4990 Prime
Size140 × 140 × 25 mm
Speed500–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise23 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4990 Prime 140mm PWM ARGB Case Fan”, https://vextor7.com/item/4057437 (accessed 2026-10-25).