Hardware Spec Index

Caldera FN-4939 Plus 120mm PWM Case Fan

Case Fans · Caldera · SKU FN4939-PLUS · Released 2021 · Updated 2026-10-18

Key facts

Benchmark index724 (Case Fans scale)
Category rank#21,936
Street price$19
Power3 W
Performance per dollar38.11
Released2021

Specifications

BrandCaldera
ModelCaldera FN-4939 Plus
Size120 × 120 × 25 mm
Speed500–2,000 RPM (PWM)
Airflow68.0 CFM
Static pressure2.20 mmH₂O
Noise33 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4939 Plus 120mm PWM Case Fan”, https://vextor7.com/item/78284021 (accessed 2026-10-18).