Hardware Spec Index

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

Case Fans · Caldera · SKU FN4757-ULTRA · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index209 (Case Fans scale)
Category rank#37,304
Street price$9
Power3 W
Performance per dollar23.22
Released2024

Specifications

BrandCaldera
ModelCaldera FN-4757 Ultra
Size120 × 120 × 25 mm
Speed200–2,100 RPM (PWM)
Airflow71.4 CFM
Static pressure2.31 mmH₂O
Noise22 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 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/24257839 (accessed 2026-10-19).