Hardware Spec Index

Caldera FN-2640 Core 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN2640-CORE · Released 2023 · Updated 2026-10-24

Key facts

Benchmark index635 (Case Fans scale)
Category rank#32,914
Street price$19
Power4 W
Performance per dollar33.42
Released2023

Specifications

BrandCaldera
ModelCaldera FN-2640 Core
Size140 × 140 × 25 mm
Speed200–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise31 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-2640 Core 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/27363370 (accessed 2026-10-24).