Hardware Spec Index

Teralux FN-9978 XT 120mm PWM Case Fan

Case Fans · Teralux · SKU FN9978-XT · Released 2022 · Updated 2026-10-26

Key facts

Benchmark index456 (Case Fans scale)
Category rank#32,436
Street price$19
Power3 W
Performance per dollar24.00
Released2022

Specifications

BrandTeralux
ModelTeralux FN-9978 XT
Size120 × 120 × 25 mm
Speed300–2,400 RPM (PWM)
Airflow81.6 CFM
Static pressure2.64 mmH₂O
Noise29 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-9978 XT 120mm PWM Case Fan”, https://vextor7.com/item/2135885 (accessed 2026-10-26).