Hardware Spec Index

Caldera FN-3550 Pro 120mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN3550-PRO · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index581 (Case Fans scale)
Category rank#12,053
Street price$19
Power3 W
Performance per dollar30.58
Released2025

Specifications

BrandCaldera
ModelCaldera FN-3550 Pro
Size120 × 120 × 25 mm
Speed500–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 mmH₂O
Noise25 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3550 Pro 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/8773886 (accessed 2026-10-23).