Hardware Spec Index

Caldera FN-4478 XT 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Caldera · SKU FN4478-XT · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index1,375 (Case Fans scale)
Category rank#8,651
Street price$49
Power4 W
Performance per dollar28.06
Released2023

Specifications

BrandCaldera
ModelCaldera FN-4478 XT
Size140 × 140 × 25 mm
Speed300–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise33 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-4478 XT 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/5113367 (accessed 2026-10-19).