Hardware Spec Index

Caldera FN-4745 Ultra 140mm PWM Case Fan

Case Fans · Caldera · SKU FN4745-ULTRA · Released 2026 · Updated 2026-10-26

Key facts

Benchmark index724 (Case Fans scale)
Category rank#43,005
Street price$29
Power4 W
Performance per dollar24.97
Released2026

Specifications

BrandCaldera
ModelCaldera FN-4745 Ultra
Size140 × 140 × 25 mm
Speed400–2,600 RPM (PWM)
Airflow124.8 CFM
Static pressure2.47 mmH₂O
Noise34 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4745 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/7787738 (accessed 2026-10-26).