同系列產品 聯想 B490-ITH（i3 2328M/2GB/750GB）; 聯想 B490-BEI（B960/2GB/500GB/610M）; 聯想 B490-ITH（i3 3110M）; 聯想 B490-ITH（i3 2328M/2GB/500GB）; 聯想 B490-BEI（B830/2GB/500GB/610M）; 聯想 B490-BEI（B830/2GB/500GB/集成）; 聯想 B490-BEI（B960/2GB/500GB/集成）; 聯想 B490-BEI（B830/2GB/500GB/集成/DVD）;
