Hardware Spec Index

Caldera FN-4357 Ultra 140mm PWM Case Fan

Case Fans · Caldera · SKU FN4357-ULTRA · Released 2023 · Updated 2026-10-26

Key facts

Benchmark index295 (Case Fans scale)
Category rank#17,010
Street price$9
Power3 W
Performance per dollar32.78
Released2023

Specifications

BrandCaldera
ModelCaldera FN-4357 Ultra
Size140 × 140 × 25 mm
Speed200–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise31 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4357 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/71750404 (accessed 2026-10-26).