Hardware Spec Index

Caldera FN-6646 Pro 120mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN6646-PRO · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index653 (Case Fans scale)
Category rank#31,746
Street price$19
Power3 W
Performance per dollar34.37
Released2024

Specifications

BrandCaldera
ModelCaldera FN-6646 Pro
Size120 × 120 × 25 mm
Speed200–2,400 RPM (PWM)
Airflow81.6 CFM
Static pressure2.64 mmH₂O
Noise33 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6646 Pro 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/99869214 (accessed 2026-10-20).