Hardware Spec Index

Caldera FN-3938 Core 140mm PWM Case Fan

Case Fans · Caldera · SKU FN3938-CORE · Released 2022 · Updated 2026-10-22

Key facts

Benchmark index512 (Case Fans scale)
Category rank#22,166
Street price$19
Power4 W
Performance per dollar26.95
Released2022

Specifications

BrandCaldera
ModelCaldera FN-3938 Core
Size140 × 140 × 25 mm
Speed300–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise22 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3938 Core 140mm PWM Case Fan”, https://vextor7.com/item/1127929 (accessed 2026-10-22).