Hardware Spec Index

Caldera FN-3888 Ultra 140mm PWM Case Fan

Case Fans · Caldera · SKU FN3888-ULTRA · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index674 (Case Fans scale)
Category rank#35,758
Street price$19
Power3 W
Performance per dollar35.47
Released2025

Specifications

BrandCaldera
ModelCaldera FN-3888 Ultra
Size140 × 140 × 25 mm
Speed300–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 mmH₂O
Noise29 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3888 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/3703 (accessed 2026-10-19).