Hardware Spec Index

Brontix FN-4977 Prime 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN4977-PRIME · Released 2020 · Updated 2026-10-23

Key facts

Benchmark index1,034 (Case Fans scale)
Category rank#32,755
Street price$29
Power2 W
Performance per dollar35.66
Released2020

Specifications

BrandBrontix
ModelBrontix FN-4977 Prime
Size120 × 120 × 25 mm
Speed500–1,400 RPM (PWM)
Airflow47.6 CFM
Static pressure1.54 mmH₂O
Noise34 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4977 Prime 120mm PWM ARGB Case Fan”, https://vextor7.com/item/979338 (accessed 2026-10-23).