Hardware Spec Index

Teralux FN-9947 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Teralux · SKU FN9947-ULTRA · Released 2023 · Updated 2026-10-23

Key facts

Benchmark index390 (Case Fans scale)
Category rank#3,549
Street price$9
Power3 W
Performance per dollar43.33
Released2023

Specifications

BrandTeralux
ModelTeralux FN-9947 Ultra
Size120 × 120 × 25 mm
Speed400–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise27 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-9947 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/6556025 (accessed 2026-10-23).