Hardware Spec Index

Caldera FN-6577 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN6577-ULTRA · Released 2022 · Updated 2026-10-25

Key facts

Benchmark index381 (Case Fans scale)
Category rank#35,478
Street price$9
Power4 W
Performance per dollar42.33
Released2022

Specifications

BrandCaldera
ModelCaldera FN-6577 Ultra
Size140 × 140 × 25 mm
Speed400–2,600 RPM (PWM)
Airflow124.8 CFM
Static pressure2.47 mmH₂O
Noise24 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6577 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/54555571 (accessed 2026-10-25).