Hardware Spec Index

Caldera FN-2391 Pro 120mm PWM Case Fan

Case Fans · Caldera · SKU FN2391-PRO · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index310 (Case Fans scale)
Category rank#34,907
Street price$9
Power3 W
Performance per dollar34.44
Released2021

Specifications

BrandCaldera
ModelCaldera FN-2391 Pro
Size120 × 120 × 25 mm
Speed300–2,200 RPM (PWM)
Airflow74.8 CFM
Static pressure2.42 mmH₂O
Noise30 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-2391 Pro 120mm PWM Case Fan”, https://vextor7.com/item/99865796 (accessed 2026-10-20).