Hardware Spec Index

Teralux FN-3940 Plus 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Teralux · SKU FN3940-PLUS · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index1,228 (Case Fans scale)
Category rank#46,796
Street price$39
Power3 W
Performance per dollar31.49
Released2019

Specifications

BrandTeralux
ModelTeralux FN-3940 Plus
Size140 × 140 × 25 mm
Speed400–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise24 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Caldera FN-3116 Ti 120mm PWM Case Fan205$9Compare
Zephyra FN-3573 SE 120mm PWM ARGB Case Fan1,070$39Compare
Teralux FN-2628 Plus 140mm PWM Case Fan238$9Compare
Caldera FN-2220 XT 120mm PWM Case Fan (3-Pack)720$19Compare
Corvane FN-3122 Ti 140mm PWM Case Fan625$19Compare
Teralux FN-4163 Edge 140mm PWM ARGB Case Fan873$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Teralux FN-3940 Plus 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/7014480 (accessed 2026-10-23).