Hardware Spec Index

Caldera FN-1643 Ultra 120mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN1643-ULTRA · Released 2023 · Updated 2026-10-26

Key facts

Benchmark index1,396 (Case Fans scale)
Category rank#34,309
Street price$49
Power2 W
Performance per dollar28.49
Released2023

Specifications

BrandCaldera
ModelCaldera FN-1643 Ultra
Size120 × 120 × 25 mm
Speed200–1,400 RPM (PWM)
Airflow47.6 CFM
Static pressure1.54 mmH₂O
Noise28 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-1643 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/42391790 (accessed 2026-10-26).