Hardware Spec Index

Teralux FN-3997 Ultra 120mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN3997-ULTRA · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index1,059 (Case Fans scale)
Category rank#21,199
Street price$29
Power4 W
Performance per dollar36.52
Released2024

Specifications

BrandTeralux
ModelTeralux FN-3997 Ultra
Size120 × 120 × 25 mm
Speed500–2,900 RPM (PWM)
Airflow98.6 CFM
Static pressure3.19 mmH₂O
Noise36 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3997 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/62940071 (accessed 2026-10-25).