Hardware Spec Index

Caldera FN-5388 Ultra 140mm PWM Case Fan

Case Fans · Caldera · SKU FN5388-ULTRA · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index497 (Case Fans scale)
Category rank#28,568
Street price$19
Power3 W
Performance per dollar26.16
Released2021

Specifications

BrandCaldera
ModelCaldera FN-5388 Ultra
Size140 × 140 × 25 mm
Speed500–1,700 RPM (PWM)
Airflow81.6 CFM
Static pressure1.61 mmH₂O
Noise34 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-5388 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/6807516 (accessed 2026-10-19).