Hardware Spec Index

Caldera FN-6641 Core 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN6641-CORE · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index456 (Case Fans scale)
Category rank#29,738
Street price$9
Power3 W
Performance per dollar50.67
Released2020

Specifications

BrandCaldera
ModelCaldera FN-6641 Core
Size140 × 140 × 25 mm
Speed200–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 mmH₂O
Noise36 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6641 Core 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/94550565 (accessed 2026-10-22).