Hardware Spec Index

Caldera FN-5657 Prime 120mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN5657-PRIME · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index572 (Case Fans scale)
Category rank#35,979
Street price$19
Power3 W
Performance per dollar30.11
Released2021

Specifications

BrandCaldera
ModelCaldera FN-5657 Prime
Size120 × 120 × 25 mm
Speed300–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 mmH₂O
Noise27 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-5657 Prime 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/3898474 (accessed 2026-10-23).