Hardware Spec Index

Caldera FN-1634 Ultra 120mm PWM Case Fan

Case Fans · Caldera · SKU FN1634-ULTRA · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index672 (Case Fans scale)
Category rank#28,333
Street price$19
Power3 W
Performance per dollar35.37
Released2019

Specifications

BrandCaldera
ModelCaldera FN-1634 Ultra
Size120 × 120 × 25 mm
Speed500–2,400 RPM (PWM)
Airflow81.6 CFM
Static pressure2.64 mmH₂O
Noise30 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-1634 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/91582282 (accessed 2026-10-23).