Hardware Spec Index

Caldera FN-5657 Pro 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN5657-PRO · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index337 (Case Fans scale)
Category rank#38,859
Street price$9
Power3 W
Performance per dollar37.44
Released2024

Specifications

BrandCaldera
ModelCaldera FN-5657 Pro
Size140 × 140 × 25 mm
Speed400–2,000 RPM (PWM)
Airflow96.0 CFM
Static pressure1.90 mmH₂O
Noise28 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-5657 Pro 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/14864692 (accessed 2026-10-25).