Hardware Spec Index

Caldera FN-4647 Core 140mm PWM Case Fan

Case Fans · Caldera · SKU FN4647-CORE · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index637 (Case Fans scale)
Category rank#49,103
Street price$19
Power3 W
Performance per dollar33.53
Released2019

Specifications

BrandCaldera
ModelCaldera FN-4647 Core
Size140 × 140 × 25 mm
Speed200–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise27 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4647 Core 140mm PWM Case Fan”, https://vextor7.com/item/7123084 (accessed 2026-10-22).