Lenovo Onsite Upgrade - Extended service agreement - parts and labour (for system with 1 year depot or carry-in warranty) - 1 year (from original purchase date of the equipment) - on-site - for S500; ThinkCentre neo 30a 22; 30a 24; 30a 27; V30a-24ITL AIO; V50a-22IMB AIO; V510