Hardware Spec Index

Teralux FN-9840 XT 140mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN9840-XT · Released 2025 · Updated 2026-10-26

Key facts

Benchmark index1,136 (Case Fans scale)
Category rank#13,541
Street price$39
Power3 W
Performance per dollar29.13
Released2025

Specifications

BrandTeralux
ModelTeralux FN-9840 XT
Size140 × 140 × 25 mm
Speed400–1,700 RPM (PWM)
Airflow81.6 CFM
Static pressure1.61 mmH₂O
Noise22 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-9840 XT 140mm PWM ARGB Case Fan”, https://vextor7.com/item/7274185 (accessed 2026-10-26).