Hardware Spec Index

Caldera FN-4146 Ultra 120mm PWM Case Fan

Case Fans · Caldera · SKU FN4146-ULTRA · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index632 (Case Fans scale)
Category rank#1
Street price$19
Power3 W
Performance per dollar33.26
Released2023

Specifications

BrandCaldera
ModelCaldera FN-4146 Ultra
Size120 × 120 × 25 mm
Speed400–1,700 RPM (PWM)
Airflow57.8 CFM
Static pressure1.87 mmH₂O
Noise23 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4146 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/9402602 (accessed 2026-10-21).