Hardware Spec Index

Caldera FN-1665 Core 140mm PWM Case Fan

Case Fans · Caldera · SKU FN1665-CORE · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index505 (Case Fans scale)
Category rank#8,758
Street price$19
Power4 W
Performance per dollar26.58
Released2023

Specifications

BrandCaldera
ModelCaldera FN-1665 Core
Size140 × 140 × 25 mm
Speed400–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise25 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-1665 Core 140mm PWM Case Fan”, https://vextor7.com/item/7485342 (accessed 2026-10-20).