Hardware Spec Index

Caldera FN-4757 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN4757-ULTRA · Released 2026 · Updated 2026-10-26

Key facts

Benchmark index455 (Case Fans scale)
Category rank#2,843
Street price$19
Power3 W
Performance per dollar23.95
Released2026

Specifications

BrandCaldera
ModelCaldera FN-4757 Ultra
Size120 × 120 × 25 mm
Speed200–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 mmH₂O
Noise23 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4757 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/6166836 (accessed 2026-10-26).