Hardware Spec Index

Caldera FN-2491 Core 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Caldera · SKU FN2491-CORE · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index1,114 (Case Fans scale)
Category rank#29,828
Street price$39
Power3 W
Performance per dollar28.56
Released2023

Specifications

BrandCaldera
ModelCaldera FN-2491 Core
Size140 × 140 × 25 mm
Speed400–2,200 RPM (PWM)
Airflow105.6 CFM
Static pressure2.09 mmH₂O
Noise27 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-2491 Core 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/7127429 (accessed 2026-10-20).