Hardware Spec Index

Caldera FN-4047 Ultra 120mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN4047-ULTRA · Released 2019 · Updated 2026-10-25

Key facts

Benchmark index1,281 (Case Fans scale)
Category rank#8,492
Street price$49
Power2 W
Performance per dollar26.14
Released2019

Specifications

BrandCaldera
ModelCaldera FN-4047 Ultra
Size120 × 120 × 25 mm
Speed400–1,400 RPM (PWM)
Airflow47.6 CFM
Static pressure1.54 mmH₂O
Noise29 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4047 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/21787848 (accessed 2026-10-25).