This is a Lenovo 3-year Extended Service Level (ESSL) package for a specific part number. It provides 24x7x4 hour on-site support, meaning a technician will be dispatched and on-site within 4 hours, 24 hours a day, 7 days a week. This package ensures prompt resolution of issues for your Lenovo hardware.
The '31TBPACK' likely refers to a specific bundle or package identifier associated with this service offering.
5WS7B91598 - Lenovo PRE ESSL 3Y 24X7X4 31TBPACK