Hardware Spec Index

Caldera FN-1603 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN1603-ULTRA · Released 2024 · Updated 2026-10-21

Key facts

Benchmark index562 (Case Fans scale)
Category rank#26,492
Street price$19
Power4 W
Performance per dollar29.58
Released2024

Specifications

BrandCaldera
ModelCaldera FN-1603 Ultra
Size140 × 140 × 25 mm
Speed300–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise32 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-1603 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/2137241 (accessed 2026-10-21).