Hardware Spec Index

Teralux FN-3988 Pro 140mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN3988-PRO · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index987 (Case Fans scale)
Category rank#2
Street price$29
Power3 W
Performance per dollar34.03
Released2021

Specifications

BrandTeralux
ModelTeralux FN-3988 Pro
Size140 × 140 × 25 mm
Speed400–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 mmH₂O
Noise32 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3988 Pro 140mm PWM ARGB Case Fan”, https://vextor7.com/item/4843742 (accessed 2026-10-24).