Hardware Spec Index

Caldera FN-4438 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN4438-ULTRA · Released 2020 · Updated 2026-10-23

Key facts

Benchmark index727 (Case Fans scale)
Category rank#39,870
Street price$19
Power4 W
Performance per dollar38.26
Released2020

Specifications

BrandCaldera
ModelCaldera FN-4438 Ultra
Size140 × 140 × 25 mm
Speed400–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise24 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4438 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/2291615 (accessed 2026-10-23).