Hardware Spec Index

Teralux FN-1856 Ultra 140mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN1856-ULTRA · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index1,330 (Case Fans scale)
Category rank#37,843
Street price$49
Power3 W
Performance per dollar27.14
Released2022

Specifications

BrandTeralux
ModelTeralux FN-1856 Ultra
Size140 × 140 × 25 mm
Speed400–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise22 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-1856 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/52593779 (accessed 2026-10-20).