Hardware Spec Index

Caldera FN-4505 Ultra 120mm PWM Case Fan

Case Fans · Caldera · SKU FN4505-ULTRA · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index353 (Case Fans scale)
Category rank#37,966
Street price$9
Power3 W
Performance per dollar39.22
Released2021

Specifications

BrandCaldera
ModelCaldera FN-4505 Ultra
Size120 × 120 × 25 mm
Speed400–1,700 RPM (PWM)
Airflow57.8 CFM
Static pressure1.87 mmH₂O
Noise25 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4505 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/20200736 (accessed 2026-10-21).