Hardware Spec Index

Teralux FN-3990 Ultra 120mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN3990-ULTRA · Released 2024 · Updated 2026-10-23

Key facts

Benchmark index1,295 (Case Fans scale)
Category rank#24,252
Street price$49
Power4 W
Performance per dollar26.43
Released2024

Specifications

BrandTeralux
ModelTeralux FN-3990 Ultra
Size120 × 120 × 25 mm
Speed400–2,800 RPM (PWM)
Airflow95.2 CFM
Static pressure3.08 mmH₂O
Noise24 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3990 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/4469291 (accessed 2026-10-23).