Hardware Spec Index

Teralux FN-1858 Ultra 140mm PWM Case Fan

Case Fans · Teralux · SKU FN1858-ULTRA · Released 2022 · Updated 2026-10-25

Key facts

Benchmark index446 (Case Fans scale)
Category rank#28,677
Street price$19
Power2 W
Performance per dollar23.47
Released2022

Specifications

BrandTeralux
ModelTeralux FN-1858 Ultra
Size140 × 140 × 25 mm
Speed500–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 mmH₂O
Noise24 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-1858 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/9253739 (accessed 2026-10-25).