Hardware Spec Index

Teralux FN-1991 XT 120mm PWM Case Fan

Case Fans · Teralux · SKU FN1991-XT · Released 2022 · Updated 2026-10-25

Key facts

Benchmark index449 (Case Fans scale)
Category rank#12,064
Street price$19
Power3 W
Performance per dollar23.63
Released2022

Specifications

BrandTeralux
ModelTeralux FN-1991 XT
Size120 × 120 × 25 mm
Speed500–1,600 RPM (PWM)
Airflow54.4 CFM
Static pressure1.76 mmH₂O
Noise22 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-1991 XT 120mm PWM Case Fan”, https://vextor7.com/item/96823022 (accessed 2026-10-25).