Hardware Spec Index

Teralux FN-9977 Ultra 120mm PWM Case Fan

Case Fans · Teralux · SKU FN9977-ULTRA · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index689 (Case Fans scale)
Category rank#20,755
Street price$19
Power3 W
Performance per dollar36.26
Released2020

Specifications

BrandTeralux
ModelTeralux FN-9977 Ultra
Size120 × 120 × 25 mm
Speed500–1,700 RPM (PWM)
Airflow57.8 CFM
Static pressure1.87 mmH₂O
Noise28 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-9977 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/10245217 (accessed 2026-10-21).