Hardware Spec Index

Caldera FN-3938 Pro 120mm PWM Case Fan

Case Fans · Caldera · SKU FN3938-PRO · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index494 (Case Fans scale)
Category rank#5,480
Street price$19
Power3 W
Performance per dollar26.00
Released2021

Specifications

BrandCaldera
ModelCaldera FN-3938 Pro
Size120 × 120 × 25 mm
Speed300–2,000 RPM (PWM)
Airflow68.0 CFM
Static pressure2.20 mmH₂O
Noise28 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3938 Pro 120mm PWM Case Fan”, https://vextor7.com/item/28294650 (accessed 2026-10-19).