Hardware Spec Index

Caldera FN-2491 SE 120mm PWM Case Fan

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

Key facts

Benchmark index589 (Case Fans scale)
Category rank#9,760
Street price$19
Power3 W
Performance per dollar31.00
Released2026

Specifications

BrandCaldera
ModelCaldera FN-2491 SE
Size120 × 120 × 25 mm
Speed400–2,300 RPM (PWM)
Airflow78.2 CFM
Static pressure2.53 mmH₂O
Noise36 dBA
BearingFluid dynamic bearing
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/83310986 (accessed 2026-10-20).