Hardware Spec Index

Caldera FN-4581 Ultra 120mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN4581-ULTRA · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index867 (Case Fans scale)
Category rank#45,381
Street price$29
Power2 W
Performance per dollar29.90
Released2022

Specifications

BrandCaldera
ModelCaldera FN-4581 Ultra
Size120 × 120 × 25 mm
Speed500–1,400 RPM (PWM)
Airflow47.6 CFM
Static pressure1.54 mmH₂O
Noise24 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4581 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/8528633 (accessed 2026-10-20).