Hardware Spec Index

Caldera FN-2281 Core 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN2281-CORE · Released 2023 · Updated 2026-10-25

Key facts

Benchmark index612 (Case Fans scale)
Category rank#44,048
Street price$19
Power4 W
Performance per dollar32.21
Released2023

Specifications

BrandCaldera
ModelCaldera FN-2281 Core
Size140 × 140 × 25 mm
Speed300–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise35 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-2281 Core 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/2798372 (accessed 2026-10-25).