Hardware Spec Index

Caldera FN-4155 Ultra 140mm PWM Case Fan

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

Key facts

Benchmark index328 (Case Fans scale)
Category rank#25,078
Street price$9
Power3 W
Performance per dollar36.44
Released2026

Specifications

BrandCaldera
ModelCaldera FN-4155 Ultra
Size140 × 140 × 25 mm
Speed500–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 mmH₂O
Noise36 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4155 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/769649 (accessed 2026-10-21).