Hardware Spec Index

Brontix FN-4977 Pro 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN4977-PRO · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index957 (Case Fans scale)
Category rank#42,524
Street price$29
Power4 W
Performance per dollar33.00
Released2019

Specifications

BrandBrontix
ModelBrontix FN-4977 Pro
Size120 × 120 × 25 mm
Speed300–2,900 RPM (PWM)
Airflow98.6 CFM
Static pressure3.19 mmH₂O
Noise34 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4977 Pro 120mm PWM ARGB Case Fan”, https://vextor7.com/item/3210944 (accessed 2026-10-22).