Hardware Spec Index

Caldera FN-4756 Ultra 120mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN4756-ULTRA · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index1,321 (Case Fans scale)
Category rank#12,473
Street price$49
Power4 W
Performance per dollar26.96
Released2021

Specifications

BrandCaldera
ModelCaldera FN-4756 Ultra
Size120 × 120 × 25 mm
Speed500–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise30 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4756 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/46569175 (accessed 2026-10-25).