Hardware Spec Index

Teralux FN-3984 Pro 120mm PWM Case Fan (3-Pack)

Case Fans · Teralux · SKU FN3984-PRO · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index478 (Case Fans scale)
Category rank#44,486
Street price$19
Power3 W
Performance per dollar25.16
Released2025

Specifications

BrandTeralux
ModelTeralux FN-3984 Pro
Size120 × 120 × 25 mm
Speed500–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 mmH₂O
Noise27 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3984 Pro 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/1815758 (accessed 2026-10-19).