Hardware Spec Index

Caldera FN-3909 Plus 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN3909-PLUS · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index1,231 (Case Fans scale)
Category rank#46,835
Street price$49
Power3 W
Performance per dollar25.12
Released2019

Specifications

BrandCaldera
ModelCaldera FN-3909 Plus
Size140 × 140 × 25 mm
Speed500–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 mmH₂O
Noise35 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3909 Plus 140mm PWM ARGB Case Fan”, https://vextor7.com/item/4031848 (accessed 2026-10-21).