A detailed look at the hardware that powered the popular Vaio NW series notebook. Introduction The model number PCG-7183M is a chassis configuration code used by Sony for laptops primarily belonging to the Vaio NW Series (specifically the VGN-NW20EF/S and similar variations). Released around 2009–2010, this laptop was positioned as a stylish, mid-range multimedia notebook designed for home entertainment and general productivity. Pimpmytrade Zenfx Advanced Price Action Course Link [FAST]