Hardware Spec Index

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

Case Fans · Teralux · SKU FN3940-SE · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index1,374 (Case Fans scale)
Category rank#23,125
Street price$49
Power3 W
Performance per dollar28.04
Released2024

Specifications

BrandTeralux
ModelTeralux FN-3940 SE
Size140 × 140 × 25 mm
Speed500–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise33 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
Corvane FN-1687 SE 120mm PWM Case Fan217$9Compare
Zephyra FN-6131 Pro 120mm PWM Case Fan740$19Compare
Brontix FN-7292 Ti 120mm PWM Case Fan339$9Compare
Caldera FN-9307 Max 120mm PWM Case Fan784$19Compare
Corvane FN-7743 Pro 120mm PWM Case Fan (3-Pack)831$19Compare
Caldera FN-3246 Pro 120mm PWM ARGB Case Fan (3-Pack)771$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Teralux FN-3940 SE 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/5594150 (accessed 2026-10-25).