Hardware Spec Index

Brontix FN-3977 Prime 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3977-PRIME · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index1,172 (Case Fans scale)
Category rank#31,921
Street price$49
Power3 W
Performance per dollar23.92
Released2023

Specifications

BrandBrontix
ModelBrontix FN-3977 Prime
Size120 × 120 × 25 mm
Speed500–2,000 RPM (PWM)
Airflow68.0 CFM
Static pressure2.20 mmH₂O
Noise34 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3977 Prime 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/6201220 (accessed 2026-10-19).