Hardware Spec Index

Caldera FN-4820 Ultra 120mm PWM Case Fan

Case Fans · Caldera · SKU FN4820-ULTRA · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index480 (Case Fans scale)
Category rank#34,863
Street price$19
Power3 W
Performance per dollar25.26
Released2021

Specifications

BrandCaldera
ModelCaldera FN-4820 Ultra
Size120 × 120 × 25 mm
Speed500–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 mmH₂O
Noise35 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4820 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/18948990 (accessed 2026-10-24).