Hardware Spec Index

Teralux FN-3997 Ultra 120mm PWM Case Fan

Case Fans · Teralux · SKU FN3997-ULTRA · Released 2024 · Updated 2026-10-22

Key facts

Benchmark index407 (Case Fans scale)
Category rank#14,192
Street price$9
Power4 W
Performance per dollar45.22
Released2024

Specifications

BrandTeralux
ModelTeralux FN-3997 Ultra
Size120 × 120 × 25 mm
Speed200–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise23 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3997 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/3666837 (accessed 2026-10-22).