Hardware Spec Index

Teralux FN-9770 Ultra 140mm PWM Case Fan

Case Fans · Teralux · SKU FN9770-ULTRA · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index567 (Case Fans scale)
Category rank#13,090
Street price$19
Power4 W
Performance per dollar29.84
Released2020

Specifications

BrandTeralux
ModelTeralux FN-9770 Ultra
Size140 × 140 × 25 mm
Speed400–2,700 RPM (PWM)
Airflow129.6 CFM
Static pressure2.56 mmH₂O
Noise24 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-9770 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/20200568 (accessed 2026-10-21).