Hardware Spec Index

Teralux FN-6421 Ultra 120mm PWM Case Fan

Case Fans · Teralux · SKU FN6421-ULTRA · Released 2024 · Updated 2026-10-24

Key facts

Benchmark index416 (Case Fans scale)
Category rank#12,724
Street price$19
Power3 W
Performance per dollar21.89
Released2024

Specifications

BrandTeralux
ModelTeralux FN-6421 Ultra
Size120 × 120 × 25 mm
Speed300–2,400 RPM (PWM)
Airflow81.6 CFM
Static pressure2.64 mmH₂O
Noise25 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-6421 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/8699477 (accessed 2026-10-24).