Hardware Spec Index

Brontix FN-9977 Core 120mm PWM Case Fan

Case Fans · Brontix · SKU FN9977-CORE · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index316 (Case Fans scale)
Category rank#40,533
Street price$9
Power3 W
Performance per dollar35.11
Released2020

Specifications

BrandBrontix
ModelBrontix FN-9977 Core
Size120 × 120 × 25 mm
Speed400–2,100 RPM (PWM)
Airflow71.4 CFM
Static pressure2.31 mmH₂O
Noise28 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9977 Core 120mm PWM Case Fan”, https://vextor7.com/item/8734608 (accessed 2026-10-25).