Hardware Spec Index

Caldera FN-3551 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN3551-ULTRA · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index320 (Case Fans scale)
Category rank#32,104
Street price$9
Power3 W
Performance per dollar35.56
Released2020

Specifications

BrandCaldera
ModelCaldera FN-3551 Ultra
Size120 × 120 × 25 mm
Speed300–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise30 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3551 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/3568152 (accessed 2026-10-22).