== Architectures ==As of version 7, CentOS supports only the x86-64 architecture, while the following architectures are not supported:* x86 in all variants, not supported since CentOS 7* x86 without Physical Address Extension (PAE), not supported since CentOS 6* IA-64 (Intel Itanium architecture), supported in CentOS 3 and 4* PowerPC/32 (Apple Macintosh and PowerMac running the G3 or G4 PowerPC processor), beta support available in CentOS 4* IBM Mainframe (eServer zSeries and S/390), not supported since CentOS 5* Alpha, support available in CentOS 4* SPARC, beta support available in CentOS 4* ARM, with some plans for support in CentOS 7A Live CD version of CentOS is available at "mirror.centos.org".
* Od sredine leta 2006, začenši z RHEL 4.4 (nekoč znan kot RHEL 4.0 posodobitev 4), je Red Hat prilagodil dogovor za označevanje različic, ki je enak temu iz CentOS, npr.