Hardware Spec Index

Caldera FN-6640 Edge 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN6640-EDGE · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index209 (Case Fans scale)
Category rank#33,089
Street price$9
Power3 W
Performance per dollar23.22
Released2021

Specifications

BrandCaldera
ModelCaldera FN-6640 Edge
Size140 × 140 × 25 mm
Speed500–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 mmH₂O
Noise29 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6640 Edge 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/21471990 (accessed 2026-10-24).