Hardware Spec Index

Caldera FN-9640 Prime 140mm PWM Case Fan

Case Fans · Caldera · SKU FN9640-PRIME · Released 2025 · Updated 2026-10-18

Key facts

Benchmark index686 (Case Fans scale)
Category rank#44,477
Street price$19
Power3 W
Performance per dollar36.11
Released2025

Specifications

BrandCaldera
ModelCaldera FN-9640 Prime
Size140 × 140 × 25 mm
Speed200–2,000 RPM (PWM)
Airflow96.0 CFM
Static pressure1.90 mmH₂O
Noise34 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-9640 Prime 140mm PWM Case Fan”, https://vextor7.com/item/3563722 (accessed 2026-10-18).