Hardware Spec Index

Caldera FN-5603 Ultra 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Caldera · SKU FN5603-ULTRA · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index975 (Case Fans scale)
Category rank#6,597
Street price$29
Power4 W
Performance per dollar33.62
Released2025

Specifications

BrandCaldera
ModelCaldera FN-5603 Ultra
Size120 × 120 × 25 mm
Speed200–2,800 RPM (PWM)
Airflow95.2 CFM
Static pressure3.08 mmH₂O
Noise27 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-5603 Ultra 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/4041973 (accessed 2026-10-19).