Lenovo Premier Support Plus Upgrade - Extended service agreement - parts and labour (for system with 3 years on-site warranty) - 4 years - on-site - for ThinkCentre M90, M900, M90a Gen 2, M90a Gen 3, M90a Pro Gen 3, M910, M920z AIO, M93, X1

Premier Support Plus Upgrade - Extended service agreement - parts and labour (for system with 3 years on-site warranty) - 4 years - on-site - for ThinkCentre M90, M900, M90a Gen 2, M90a Gen 3, M90a Pro Gen 3, M910, M920z AIO, M93, X1