Hardware Spec Index

Teralux FN-4231 Ultra 140mm PWM Case Fan

Case Fans · Teralux · SKU FN4231-ULTRA · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index522 (Case Fans scale)
Category rank#1,107
Street price$19
Power3 W
Performance per dollar27.47
Released2020

Specifications

BrandTeralux
ModelTeralux FN-4231 Ultra
Size140 × 140 × 25 mm
Speed300–2,000 RPM (PWM)
Airflow96.0 CFM
Static pressure1.90 mmH₂O
Noise24 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-4231 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/20109069 (accessed 2026-10-22).