Hardware Spec Index

Teralux FN-4021 SE 120mm PWM Case Fan (3-Pack)

Case Fans · Teralux · SKU FN4021-SE · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index211 (Case Fans scale)
Category rank#11,060
Street price$9
Power3 W
Performance per dollar23.44
Released2019

Specifications

BrandTeralux
ModelTeralux FN-4021 SE
Size120 × 120 × 25 mm
Speed300–2,400 RPM (PWM)
Airflow81.6 CFM
Static pressure2.64 mmH₂O
Noise34 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-4021 SE 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/69011248 (accessed 2026-10-23).