Hardware Spec Index

Caldera FN-6657 Core 120mm PWM Case Fan

Case Fans · Caldera · SKU FN6657-CORE · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index324 (Case Fans scale)
Category rank#17,133
Street price$9
Power4 W
Performance per dollar36.00
Released2023

Specifications

BrandCaldera
ModelCaldera FN-6657 Core
Size120 × 120 × 25 mm
Speed300–2,800 RPM (PWM)
Airflow95.2 CFM
Static pressure3.08 mmH₂O
Noise23 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6657 Core 120mm PWM Case Fan”, https://vextor7.com/item/390579 (accessed 2026-10-19).