Hardware Spec Index

Teralux FN-3844 Ultra 140mm PWM Case Fan

Case Fans · Teralux · SKU FN3844-ULTRA · Released 2023 · Updated 2026-10-24

Key facts

Benchmark index798 (Case Fans scale)
Category rank#47,803
Street price$29
Power3 W
Performance per dollar27.52
Released2023

Specifications

BrandTeralux
ModelTeralux FN-3844 Ultra
Size140 × 140 × 25 mm
Speed400–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 mmH₂O
Noise33 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3844 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/9833773 (accessed 2026-10-24).