Hardware Spec Index

Caldera FN-4939 Plus 120mm PWM Case Fan

Case Fans · Caldera · SKU FN4939-PLUS · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index691 (Case Fans scale)
Category rank#26,499
Street price$19
Power3 W
Performance per dollar36.37
Released2020

Specifications

BrandCaldera
ModelCaldera FN-4939 Plus
Size120 × 120 × 25 mm
Speed300–2,200 RPM (PWM)
Airflow74.8 CFM
Static pressure2.42 mmH₂O
Noise29 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4939 Plus 120mm PWM Case Fan”, https://vextor7.com/item/92322390 (accessed 2026-10-22).