Hardware Spec Index

Caldera FN-5709 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN5709-ULTRA · Released 2025 · Updated 2026-10-18

Key facts

Benchmark index468 (Case Fans scale)
Category rank#16,924
Street price$19
Power4 W
Performance per dollar24.63
Released2025

Specifications

BrandCaldera
ModelCaldera FN-5709 Ultra
Size140 × 140 × 25 mm
Speed300–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise35 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-5709 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/97270619 (accessed 2026-10-18).