Hardware Spec Index

Teralux FN-3491 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Teralux · SKU FN3491-ULTRA · Released 2026 · Updated 2026-10-24

Key facts

Benchmark index637 (Case Fans scale)
Category rank#40,783
Street price$19
Power4 W
Performance per dollar33.53
Released2026

Specifications

BrandTeralux
ModelTeralux FN-3491 Ultra
Size120 × 120 × 25 mm
Speed200–3,000 RPM (PWM)
Airflow102.0 CFM
Static pressure3.30 mmH₂O
Noise23 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3491 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/8740382 (accessed 2026-10-24).