Hardware Spec Index

Teralux FN-3948 Plus 140mm PWM Case Fan

Case Fans · Teralux · SKU FN3948-PLUS · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index555 (Case Fans scale)
Category rank#43,336
Street price$19
Power3 W
Performance per dollar29.21
Released2023

Specifications

BrandTeralux
ModelTeralux FN-3948 Plus
Size140 × 140 × 25 mm
Speed400–2,400 RPM (PWM)
Airflow115.2 CFM
Static pressure2.28 mmH₂O
Noise34 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3948 Plus 140mm PWM Case Fan”, https://vextor7.com/item/7918019 (accessed 2026-10-21).