Hardware Spec Index

Caldera FN-3649 Core 140mm PWM Case Fan

Case Fans · Caldera · SKU FN3649-CORE · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index622 (Case Fans scale)
Category rank#18,632
Street price$19
Power3 W
Performance per dollar32.74
Released2020

Specifications

BrandCaldera
ModelCaldera FN-3649 Core
Size140 × 140 × 25 mm
Speed300–2,400 RPM (PWM)
Airflow115.2 CFM
Static pressure2.28 mmH₂O
Noise23 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3649 Core 140mm PWM Case Fan”, https://vextor7.com/item/2492076 (accessed 2026-10-21).