Hardware Spec Index

Teralux FN-3947 Max 140mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN3947-MAX · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index1,384 (Case Fans scale)
Category rank#39,892
Street price$49
Power3 W
Performance per dollar28.24
Released2021

Specifications

BrandTeralux
ModelTeralux FN-3947 Max
Size140 × 140 × 25 mm
Speed200–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise29 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Teralux FN-4926 Pro 140mm PWM Case Fan322$9Compare
Corvane FN-8042 XT 140mm PWM Case Fan307$9Compare
Zephyra FN-3033 Ultra 140mm PWM ARGB Case Fan1,095$29Compare
Zephyra FN-2440 Max 120mm PWM ARGB Case Fan1,002$39Compare
Brontix FN-9523 Plus 120mm PWM ARGB Case Fan1,078$39Compare
Teralux FN-4849 Pro 120mm PWM Case Fan (3-Pack)665$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Teralux FN-3947 Max 140mm PWM ARGB Case Fan”, https://vextor7.com/item/2354409 (accessed 2026-10-23).