Hardware Spec Index

Caldera FN-4421 Ultra 120mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN4421-ULTRA · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index1,358 (Case Fans scale)
Category rank#17,229
Street price$49
Power3 W
Performance per dollar27.71
Released2021

Specifications

BrandCaldera
ModelCaldera FN-4421 Ultra
Size120 × 120 × 25 mm
Speed300–1,500 RPM (PWM)
Airflow51.0 CFM
Static pressure1.65 mmH₂O
Noise29 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4421 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/4899889 (accessed 2026-10-23).