Hardware Spec Index

Caldera FN-4081 Ultra 120mm PWM Case Fan

Case Fans · Caldera · SKU FN4081-ULTRA · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index797 (Case Fans scale)
Category rank#2,389
Street price$19
Power3 W
Performance per dollar41.95
Released2020

Specifications

BrandCaldera
ModelCaldera FN-4081 Ultra
Size120 × 120 × 25 mm
Speed200–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 mmH₂O
Noise24 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4081 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/1134859 (accessed 2026-10-19).