Hardware Spec Index

Caldera FN-3659 Core 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN3659-CORE · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index383 (Case Fans scale)
Category rank#18,941
Street price$19
Power3 W
Performance per dollar20.16
Released2023

Specifications

BrandCaldera
ModelCaldera FN-3659 Core
Size140 × 140 × 25 mm
Speed500–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 mmH₂O
Noise27 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3659 Core 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/92371639 (accessed 2026-10-19).