Hardware Spec Index

Caldera FN-6539 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN6539-ULTRA · Released 2024 · Updated 2026-10-21

Key facts

Benchmark index579 (Case Fans scale)
Category rank#24,466
Street price$19
Power4 W
Performance per dollar30.47
Released2024

Specifications

BrandCaldera
ModelCaldera FN-6539 Ultra
Size120 × 120 × 25 mm
Speed400–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise30 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6539 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/4394033 (accessed 2026-10-21).