Hardware Spec Index

Teralux FN-3988 Ultra 120mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN3988-ULTRA · Released 2020 · Updated 2026-10-23

Key facts

Benchmark index1,106 (Case Fans scale)
Category rank#40,531
Street price$39
Power3 W
Performance per dollar28.36
Released2020

Specifications

BrandTeralux
ModelTeralux FN-3988 Ultra
Size120 × 120 × 25 mm
Speed300–1,600 RPM (PWM)
Airflow54.4 CFM
Static pressure1.76 mmH₂O
Noise36 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-3988 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/14214959 (accessed 2026-10-23).