Service & support options: Care Pack services provide a range of life cycle support options that let you choose the service levels that meet your business requirements, from basic to mission-critical. A full range of HP Care Pack hardware and software services are available including: Installation and start up; Education courses; Extended onsite hardware coverage hours from same business day 13 hours, 5 day to 24 hours, 7 days call window with options including 4-hour response or 6-hour Call To Repair; Comprehensive range of software technical support for Microsoft, Linux, ProLiant Essentials and VMware-base d IT solutions helping to deliver high level of application availability. Response times range from 30 mins for critical problems to 2 hours; System Management, Performance Services and Mission Critical Support SolutionHP Modular Cooling System: One yearparts only (1-0-0); HP 10642 G2 Series Rack: Three yearparts only (3-0-0)One-yearparts only