Hardware Spec Index

Caldera FN-4676 Ultra 140mm PWM Case Fan

Case Fans · Caldera · SKU FN4676-ULTRA · Released 2024 · Updated 2026-10-22

Key facts

Benchmark index506 (Case Fans scale)
Category rank#44,314
Street price$19
Power3 W
Performance per dollar26.63
Released2024

Specifications

BrandCaldera
ModelCaldera FN-4676 Ultra
Size140 × 140 × 25 mm
Speed500–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise30 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4676 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/4803448 (accessed 2026-10-22).