Upgrade Dell 3Y NBD OS a 3Y PS NBD OS

Dell warranty extension from 3 years NBD on-site Basic Support to 3 years NBD on-site ProSupport for XPS 13 7390, 13 7390 2-in-1, 13 9300, 13 9380, 13 9390, 15 7590, 15 9500, 17 9700, 13 9310, 13 9365, 13 9365 2-in-1, 13 9370, 15 9570, 15 9575, 15 9575 2-in-1, 9310 2-in-1, 13 9305, 9310, 9510 - Must be purchased together with a new device - Cannot be applied to NSU warehouse stock