Hardware Spec Index

Teralux FN-9921 Ultra 120mm PWM Case Fan

Case Fans · Teralux · SKU FN9921-ULTRA · Released 2023 · Updated 2026-10-26

Key facts

Benchmark index347 (Case Fans scale)
Category rank#2,425
Street price$19
Power3 W
Performance per dollar18.26
Released2023

Specifications

BrandTeralux
ModelTeralux FN-9921 Ultra
Size120 × 120 × 25 mm
Speed400–1,500 RPM (PWM)
Airflow51.0 CFM
Static pressure1.65 mmH₂O
Noise36 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-9921 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/4391233 (accessed 2026-10-26).