Hardware Spec Index

Brontix FN-4988 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN4988-ULTRA · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index381 (Case Fans scale)
Category rank#20,203
Street price$9
Power4 W
Performance per dollar42.33
Released2019

Specifications

BrandBrontix
ModelBrontix FN-4988 Ultra
Size120 × 120 × 25 mm
Speed500–2,700 RPM (PWM)
Airflow91.8 CFM
Static pressure2.97 mmH₂O
Noise31 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4988 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/641202 (accessed 2026-10-20).