Hardware Spec Index

Teralux FN-1991 Pro 140mm PWM Case Fan (3-Pack)

Case Fans · Teralux · SKU FN1991-PRO · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index513 (Case Fans scale)
Category rank#42,526
Street price$19
Power2 W
Performance per dollar27.00
Released2020

Specifications

BrandTeralux
ModelTeralux FN-1991 Pro
Size140 × 140 × 25 mm
Speed400–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 mmH₂O
Noise22 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-1991 Pro 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/2591246 (accessed 2026-10-25).