Hardware Spec Index

Teralux FN-9921 Prime 120mm PWM Case Fan (3-Pack)

Case Fans · Teralux · SKU FN9921-PRIME · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index324 (Case Fans scale)
Category rank#39,661
Street price$9
Power3 W
Performance per dollar36.00
Released2021

Specifications

BrandTeralux
ModelTeralux FN-9921 Prime
Size120 × 120 × 25 mm
Speed200–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 mmH₂O
Noise32 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-9921 Prime 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/295293 (accessed 2026-10-19).