Hardware Spec Index

Teralux FN-3840 SE 140mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN3840-SE · Released 2026 · Updated 2026-10-26

Key facts

Benchmark index1,292 (Case Fans scale)
Category rank#1,992
Street price$49
Power2 W
Performance per dollar26.37
Released2026

Specifications

BrandTeralux
ModelTeralux FN-3840 SE
Size140 × 140 × 25 mm
Speed200–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 mmH₂O
Noise23 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3840 SE 140mm PWM ARGB Case Fan”, https://vextor7.com/item/2238074 (accessed 2026-10-26).