Hardware Spec Index

Caldera FN-3897 Ultra 140mm PWM Case Fan

Case Fans · Caldera · SKU FN3897-ULTRA · Released 2019 · Updated 2026-10-25

Key facts

Benchmark index620 (Case Fans scale)
Category rank#15,730
Street price$19
Power3 W
Performance per dollar32.63
Released2019

Specifications

BrandCaldera
ModelCaldera FN-3897 Ultra
Size140 × 140 × 25 mm
Speed500–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise35 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3897 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/97052629 (accessed 2026-10-25).