Hardware Spec Index

Caldera FN-2491 SE 120mm PWM Case Fan

Case Fans · Caldera · SKU FN2491-SE · Released 2024 · Updated 2026-10-24

Key facts

Benchmark index679 (Case Fans scale)
Category rank#28,560
Street price$19
Power3 W
Performance per dollar35.74
Released2024

Specifications

BrandCaldera
ModelCaldera FN-2491 SE
Size120 × 120 × 25 mm
Speed500–1,600 RPM (PWM)
Airflow54.4 CFM
Static pressure1.76 mmH₂O
Noise22 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-2491 SE 120mm PWM Case Fan”, https://vextor7.com/item/14977796 (accessed 2026-10-24).