Hardware Spec Index

Brontix FN-6977 Prime 140mm PWM Case Fan

Case Fans · Brontix · SKU FN6977-PRIME · Released 2020 · Updated 2026-10-26

Key facts

Benchmark index665 (Case Fans scale)
Category rank#16,149
Street price$19
Power4 W
Performance per dollar35.00
Released2020

Specifications

BrandBrontix
ModelBrontix FN-6977 Prime
Size140 × 140 × 25 mm
Speed500–2,600 RPM (PWM)
Airflow124.8 CFM
Static pressure2.47 mmH₂O
Noise26 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-6977 Prime 140mm PWM Case Fan”, https://vextor7.com/item/7060953 (accessed 2026-10-26).