Hardware Spec Index

Caldera FN-5661 Core 120mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN5661-CORE · Released 2020 · Updated 2026-10-23

Key facts

Benchmark index482 (Case Fans scale)
Category rank#40,289
Street price$19
Power3 W
Performance per dollar25.37
Released2020

Specifications

BrandCaldera
ModelCaldera FN-5661 Core
Size120 × 120 × 25 mm
Speed400–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 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-5661 Core 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/2440464 (accessed 2026-10-23).