Hardware Spec Index

Caldera FN-5903 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN5903-ULTRA · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index218 (Case Fans scale)
Category rank#48,197
Street price$9
Power3 W
Performance per dollar24.22
Released2022

Specifications

BrandCaldera
ModelCaldera FN-5903 Ultra
Size120 × 120 × 25 mm
Speed300–1,700 RPM (PWM)
Airflow57.8 CFM
Static pressure1.87 mmH₂O
Noise32 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-5903 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/6847461 (accessed 2026-10-21).