Hardware Spec Index

Caldera FN-4000 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN4000-ULTRA · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index780 (Case Fans scale)
Category rank#14,089
Street price$19
Power4 W
Performance per dollar41.05
Released2020

Specifications

BrandCaldera
ModelCaldera FN-4000 Ultra
Size140 × 140 × 25 mm
Speed200–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise23 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4000 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/16248508 (accessed 2026-10-20).