Hardware Spec Index

Caldera FN-4047 Core 140mm PWM Case Fan

Case Fans · Caldera · SKU FN4047-CORE · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index347 (Case Fans scale)
Category rank#47,961
Street price$9
Power3 W
Performance per dollar38.56
Released2019

Specifications

BrandCaldera
ModelCaldera FN-4047 Core
Size140 × 140 × 25 mm
Speed500–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise26 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4047 Core 140mm PWM Case Fan”, https://vextor7.com/item/7650352 (accessed 2026-10-20).