“HP Spectre 13 Model Numbers I am confused with the following model or product numbers. What are the differences: Model HP Spectre 13-v021 nr and product W2K28UA#ABA and W2K26UA. Model HP Spectre 13-v011 dx. These numbers are from HP site, your site and others. Your is 13-v011 dx. Is it exactly same as 13-v21 nr from HP official site?”