Hardware Spec Index

Caldera FN-4284 Ultra 140mm PWM Case Fan

Case Fans · Caldera · SKU FN4284-ULTRA · Released 2020 · Updated 2026-10-23

Key facts

Benchmark index709 (Case Fans scale)
Category rank#10,879
Street price$19
Power3 W
Performance per dollar37.32
Released2020

Specifications

BrandCaldera
ModelCaldera FN-4284 Ultra
Size140 × 140 × 25 mm
Speed400–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise34 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4284 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/91589284 (accessed 2026-10-23).