Hardware Spec Index

Caldera FN-8640 SE 140mm PWM Case Fan

Case Fans · Caldera · SKU FN8640-SE · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index310 (Case Fans scale)
Category rank#26,204
Street price$9
Power4 W
Performance per dollar34.44
Released2019

Specifications

BrandCaldera
ModelCaldera FN-8640 SE
Size140 × 140 × 25 mm
Speed200–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 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-8640 SE 140mm PWM Case Fan”, https://vextor7.com/item/4381960 (accessed 2026-10-21).