Hardware Spec Index

Caldera FN-2491 Pro 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Caldera · SKU FN2491-PRO · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index1,166 (Case Fans scale)
Category rank#30,513
Street price$39
Power3 W
Performance per dollar29.90
Released2021

Specifications

BrandCaldera
ModelCaldera FN-2491 Pro
Size120 × 120 × 25 mm
Speed400–1,500 RPM (PWM)
Airflow51.0 CFM
Static pressure1.65 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 Pro 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/92716495 (accessed 2026-10-25).