Hardware Spec Index

Teralux FN-4021 Pro 120mm PWM Case Fan

Case Fans · Teralux · SKU FN4021-PRO · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index786 (Case Fans scale)
Category rank#26,161
Street price$29
Power4 W
Performance per dollar27.10
Released2019

Specifications

BrandTeralux
ModelTeralux FN-4021 Pro
Size120 × 120 × 25 mm
Speed200–3,000 RPM (PWM)
Airflow102.0 CFM
Static pressure3.30 mmH₂O
Noise28 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-4021 Pro 120mm PWM Case Fan”, https://vextor7.com/item/20160787 (accessed 2026-10-19).