Hardware Spec Index

Caldera FN-8591 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN8591-ULTRA · Released 2023 · Updated 2026-10-22

Key facts

Benchmark index661 (Case Fans scale)
Category rank#42,690
Street price$19
Power3 W
Performance per dollar34.79
Released2023

Specifications

BrandCaldera
ModelCaldera FN-8591 Ultra
Size140 × 140 × 25 mm
Speed400–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise32 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-8591 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/93025386 (accessed 2026-10-22).