Hardware Spec Index

Caldera FN-3938 Prime 120mm PWM Case Fan

Case Fans · Caldera · SKU FN3938-PRIME · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index210 (Case Fans scale)
Category rank#39,362
Street price$9
Power3 W
Performance per dollar23.33
Released2025

Specifications

BrandCaldera
ModelCaldera FN-3938 Prime
Size120 × 120 × 25 mm
Speed300–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise31 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3938 Prime 120mm PWM Case Fan”, https://vextor7.com/item/11613948 (accessed 2026-10-21).