Hardware Spec Index

Caldera FN-3847 Ultra 120mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN3847-ULTRA · Released 2025 · Updated 2026-10-26

Key facts

Benchmark index1,195 (Case Fans scale)
Category rank#3,484
Street price$39
Power3 W
Performance per dollar30.64
Released2025

Specifications

BrandCaldera
ModelCaldera FN-3847 Ultra
Size120 × 120 × 25 mm
Speed300–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise36 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3847 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/71751747 (accessed 2026-10-26).