Hardware Spec Index

Brontix FN-6977 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN6977-ULTRA · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index625 (Case Fans scale)
Category rank#6,825
Street price$19
Power3 W
Performance per dollar32.89
Released2025

Specifications

BrandBrontix
ModelBrontix FN-6977 Ultra
Size140 × 140 × 25 mm
Speed200–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise25 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-6977 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/9811596 (accessed 2026-10-20).