Hardware Spec Index

Caldera FN-2391 Core 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN2391-CORE · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index851 (Case Fans scale)
Category rank#39,662
Street price$29
Power4 W
Performance per dollar29.34
Released2020

Specifications

BrandCaldera
ModelCaldera FN-2391 Core
Size140 × 140 × 25 mm
Speed500–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise27 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-2391 Core 140mm PWM ARGB Case Fan”, https://vextor7.com/item/85702217 (accessed 2026-10-22).