Hardware Spec Index

Brontix FN-3877 Prime 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3877-PRIME · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index1,030 (Case Fans scale)
Category rank#16,401
Street price$39
Power3 W
Performance per dollar26.41
Released2021

Specifications

BrandBrontix
ModelBrontix FN-3877 Prime
Size120 × 120 × 25 mm
Speed300–2,100 RPM (PWM)
Airflow71.4 CFM
Static pressure2.31 mmH₂O
Noise25 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3877 Prime 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/46982336 (accessed 2026-10-21).