There are ISO files with both x86 and x64 available (without SP1) en_sql_server_2012_business_intelligence_x86_x64_dvd_813382.iso en_sql_server_2012_developer_edition_x86_x64_dvd_813280.iso en_sql_server_2012_enterprise_core_edition_x86_x64_dvd_813190.iso en_sql_server_2012_enterprise_edition_x86_x64_dvd_813294.iso en_sql_server_2012_standard_edition_x86_x64_dvd_813403.iso en_sql_server_2012_web_edition_x86_x64_dvd_813514.iso I don't know why M$ decided not to do same with SP1 iso's