Hardware Spec Index

Caldera FN-7591 Ultra 140mm PWM Case Fan

Case Fans · Caldera · SKU FN7591-ULTRA · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index305 (Case Fans scale)
Category rank#44,077
Street price$9
Power4 W
Performance per dollar33.89
Released2019

Specifications

BrandCaldera
ModelCaldera FN-7591 Ultra
Size140 × 140 × 25 mm
Speed300–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise29 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-7591 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/30459763 (accessed 2026-10-22).