Hardware Spec Index

Teralux FN-3923 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Teralux · SKU FN3923-ULTRA · Released 2022 · Updated 2026-10-22

Key facts

Benchmark index423 (Case Fans scale)
Category rank#6,543
Street price$9
Power3 W
Performance per dollar47.00
Released2022

Specifications

BrandTeralux
ModelTeralux FN-3923 Ultra
Size140 × 140 × 25 mm
Speed500–1,700 RPM (PWM)
Airflow81.6 CFM
Static pressure1.61 mmH₂O
Noise31 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3923 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/3552349 (accessed 2026-10-22).