Hardware Spec Index

Caldera FN-4155 Ultra 120mm PWM Case Fan

Case Fans · Caldera · SKU FN4155-ULTRA · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index564 (Case Fans scale)
Category rank#39,650
Street price$19
Power4 W
Performance per dollar29.68
Released2021

Specifications

BrandCaldera
ModelCaldera FN-4155 Ultra
Size120 × 120 × 25 mm
Speed200–3,000 RPM (PWM)
Airflow102.0 CFM
Static pressure3.30 mmH₂O
Noise28 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4155 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/17818663 (accessed 2026-10-21).