Hardware Spec Index

Caldera FN-3953 Ultra 120mm PWM Case Fan

Case Fans · Caldera · SKU FN3953-ULTRA · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index246 (Case Fans scale)
Category rank#12,564
Street price$9
Power3 W
Performance per dollar27.33
Released2021

Specifications

BrandCaldera
ModelCaldera FN-3953 Ultra
Size120 × 120 × 25 mm
Speed500–1,500 RPM (PWM)
Airflow51.0 CFM
Static pressure1.65 mmH₂O
Noise26 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3953 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/2051241 (accessed 2026-10-24).