Hardware Spec Index

Caldera FN-8657 Pro 140mm PWM Case Fan

Case Fans · Caldera · SKU FN8657-PRO · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index225 (Case Fans scale)
Category rank#7,438
Street price$9
Power3 W
Performance per dollar25.00
Released2021

Specifications

BrandCaldera
ModelCaldera FN-8657 Pro
Size140 × 140 × 25 mm
Speed200–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise36 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-8657 Pro 140mm PWM Case Fan”, https://vextor7.com/item/6592883 (accessed 2026-10-24).