Hardware Spec Index

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

Case Fans · Caldera · SKU FN2491-CORE · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index1,358 (Case Fans scale)
Category rank#18,951
Street price$49
Power4 W
Performance per dollar27.71
Released2020

Specifications

BrandCaldera
ModelCaldera FN-2491 Core
Size140 × 140 × 25 mm
Speed400–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise36 dBA
BearingMagnetic levitation
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/21361145 (accessed 2026-10-20).