Hardware Spec Index

Caldera FN-1643 Pro 140mm PWM Case Fan

Case Fans · Caldera · SKU FN1643-PRO · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index419 (Case Fans scale)
Category rank#15,926
Street price$9
Power4 W
Performance per dollar46.56
Released2021

Specifications

BrandCaldera
ModelCaldera FN-1643 Pro
Size140 × 140 × 25 mm
Speed300–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise34 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-1643 Pro 140mm PWM Case Fan”, https://vextor7.com/item/94887211 (accessed 2026-10-25).