Hardware Spec Index

Caldera FN-3691 Plus 120mm PWM Case Fan

Case Fans · Caldera · SKU FN3691-PLUS · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index221 (Case Fans scale)
Category rank#16,780
Street price$9
Power3 W
Performance per dollar24.56
Released2024

Specifications

BrandCaldera
ModelCaldera FN-3691 Plus
Size120 × 120 × 25 mm
Speed200–2,200 RPM (PWM)
Airflow74.8 CFM
Static pressure2.42 mmH₂O
Noise28 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3691 Plus 120mm PWM Case Fan”, https://vextor7.com/item/8072013 (accessed 2026-10-19).