Hardware Spec Index

Caldera FN-1640 Core 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Caldera · SKU FN1640-CORE · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index943 (Case Fans scale)
Category rank#1,472
Street price$29
Power3 W
Performance per dollar32.52
Released2020

Specifications

BrandCaldera
ModelCaldera FN-1640 Core
Size140 × 140 × 25 mm
Speed300–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise23 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-1640 Core 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/4785449 (accessed 2026-10-21).