Hardware Spec Index

Caldera FN-2643 Ultra 140mm PWM Case Fan

Case Fans · Caldera · SKU FN2643-ULTRA · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index539 (Case Fans scale)
Category rank#10,953
Street price$19
Power4 W
Performance per dollar28.37
Released2022

Specifications

BrandCaldera
ModelCaldera FN-2643 Ultra
Size140 × 140 × 25 mm
Speed400–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise25 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-2643 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/52222 (accessed 2026-10-19).