Hardware Spec Index

Caldera FN-4139 Ultra 120mm PWM Case Fan

Case Fans · Caldera · SKU FN4139-ULTRA · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index489 (Case Fans scale)
Category rank#2,528
Street price$19
Power3 W
Performance per dollar25.74
Released2026

Specifications

BrandCaldera
ModelCaldera FN-4139 Ultra
Size120 × 120 × 25 mm
Speed500–1,500 RPM (PWM)
Airflow51.0 CFM
Static pressure1.65 mmH₂O
Noise25 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4139 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/2809565 (accessed 2026-10-20).