Hardware Spec Index

Teralux FN-9857 XT 140mm PWM Case Fan

Case Fans · Teralux · SKU FN9857-XT · Released 2026 · Updated 2026-10-21

Key facts

Benchmark index266 (Case Fans scale)
Category rank#41,161
Street price$9
Power3 W
Performance per dollar29.56
Released2026

Specifications

BrandTeralux
ModelTeralux FN-9857 XT
Size140 × 140 × 25 mm
Speed400–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise30 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-9857 XT 140mm PWM Case Fan”, https://vextor7.com/item/2545409 (accessed 2026-10-21).