Hardware Spec Index

Caldera FN-6647 Core 120mm PWM Case Fan

Case Fans · Caldera · SKU FN6647-CORE · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index393 (Case Fans scale)
Category rank#33,578
Street price$19
Power3 W
Performance per dollar20.68
Released2025

Specifications

BrandCaldera
ModelCaldera FN-6647 Core
Size120 × 120 × 25 mm
Speed500–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise27 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6647 Core 120mm PWM Case Fan”, https://vextor7.com/item/20000823 (accessed 2026-10-24).