LENOVO B590 i3 - 3110M 2.4GHZ 2GB RAM * NO HD/ NO CADDIE/ NO OS/ NO CHARGER *** | eBay
Amazon.com: parts-quick 8GB 2 x 4GB DDR3 Memory for Lenovo B590 Series PC3-10600 1333MHz 204 pin SODIMM Laptop Notebook RAM Brand : Electronics
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