Hardware Spec Index

Teralux FN-4021 Max 120mm PWM Case Fan

Case Fans · Teralux · SKU FN4021-MAX · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index661 (Case Fans scale)
Category rank#34,836
Street price$19
Power3 W
Performance per dollar34.79
Released2019

Specifications

BrandTeralux
ModelTeralux FN-4021 Max
Size120 × 120 × 25 mm
Speed300–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 mmH₂O
Noise26 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-4021 Max 120mm PWM Case Fan”, https://vextor7.com/item/5484277 (accessed 2026-10-22).