Hardware Spec Index

Teralux FN-3421 SE 120mm PWM Case Fan (3-Pack)

Case Fans · Teralux · SKU FN3421-SE · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index691 (Case Fans scale)
Category rank#29,653
Street price$19
Power3 W
Performance per dollar36.37
Released2021

Specifications

BrandTeralux
ModelTeralux FN-3421 SE
Size120 × 120 × 25 mm
Speed400–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 mmH₂O
Noise29 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3421 SE 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/20106280 (accessed 2026-10-22).