Hardware Spec Index

Caldera FN-6661 Ultra 120mm PWM Case Fan

Case Fans · Caldera · SKU FN6661-ULTRA · Released 2024 · Updated 2026-10-22

Key facts

Benchmark index238 (Case Fans scale)
Category rank#9,258
Street price$9
Power3 W
Performance per dollar26.44
Released2024

Specifications

BrandCaldera
ModelCaldera FN-6661 Ultra
Size120 × 120 × 25 mm
Speed200–2,400 RPM (PWM)
Airflow81.6 CFM
Static pressure2.64 mmH₂O
Noise31 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6661 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/5929693 (accessed 2026-10-22).