Hardware Spec Index

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

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

Key facts

Benchmark index516 (Case Fans scale)
Category rank#40,771
Street price$19
Power3 W
Performance per dollar27.16
Released2026

Specifications

BrandCaldera
ModelCaldera FN-2491 XT
Size120 × 120 × 25 mm
Speed500–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise36 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-2491 XT 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/310863 (accessed 2026-10-20).