Hardware Spec Index

Teralux FN-4021 SE 140mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN4021-SE · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index957 (Case Fans scale)
Category rank#37,951
Street price$29
Power3 W
Performance per dollar33.00
Released2022

Specifications

BrandTeralux
ModelTeralux FN-4021 SE
Size140 × 140 × 25 mm
Speed500–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise35 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-4021 SE 140mm PWM ARGB Case Fan”, https://vextor7.com/item/10183099 (accessed 2026-10-21).