Hardware Spec Index

Caldera FN-6640 Edge 140mm PWM Case Fan

Case Fans · Caldera · SKU FN6640-EDGE · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index354 (Case Fans scale)
Category rank#46,348
Street price$9
Power3 W
Performance per dollar39.33
Released2022

Specifications

BrandCaldera
ModelCaldera FN-6640 Edge
Size140 × 140 × 25 mm
Speed200–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise24 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6640 Edge 140mm PWM Case Fan”, https://vextor7.com/item/20171321 (accessed 2026-10-20).