Hardware Spec Index

Teralux FN-9978 XT 140mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN9978-XT · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index932 (Case Fans scale)
Category rank#25,052
Street price$29
Power3 W
Performance per dollar32.14
Released2019

Specifications

BrandTeralux
ModelTeralux FN-9978 XT
Size140 × 140 × 25 mm
Speed200–1,700 RPM (PWM)
Airflow81.6 CFM
Static pressure1.61 mmH₂O
Noise30 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-9978 XT 140mm PWM ARGB Case Fan”, https://vextor7.com/item/32325677 (accessed 2026-10-23).