Hardware Spec Index

Caldera FN-2391 Pro 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN2391-PRO · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index1,053 (Case Fans scale)
Category rank#44,608
Street price$39
Power4 W
Performance per dollar27.00
Released2022

Specifications

BrandCaldera
ModelCaldera FN-2391 Pro
Size140 × 140 × 25 mm
Speed400–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise30 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, “Caldera FN-2391 Pro 140mm PWM ARGB Case Fan”, https://vextor7.com/item/4451432 (accessed 2026-10-21).