目前Mac OS系统最高版本是Mac OS X 10.2.6，但并不是每一台MAC机都可以安装MAC OS X，下表详细列出各种型号的MAC机可以安装的操作系统，“√”表示可以安装，“--”表示无法安装，看看你的MAC机能否安装你想要的操作系统。
| Macintosh | Mac OS 版本 | |||||
| 电脑类型 | 8.0 | 8.1 | 8.5 | 8.6 | 9.0 | 10.X |
| Centris / Quadra 6xx | √ | √ | -- | -- | -- | -- |
| Quadra 7xx,8xx,9xx | √ | √ | -- | -- | -- | -- |
| Macintosh LC 475 | √ | √ | -- | -- | -- | -- |
| Macintosh LC 575 | √ | √ | -- | -- | -- | -- |
| Macintosh LC 580 | √ | √ | -- | -- | -- | -- |
| Power Macintosh 6100 | √ | √ | √ | √ | √ | -- |
| Power Macintosh 7100 | √ | √ | √ | √ | √ | -- |
| Power Macintosh 8100 | √ | √ | √ | √ | √ | -- |
| PowerBook 190 | √ | √ | -- | -- | -- | -- |
| PowerBook 520 | √ | √ | -- | -- | -- | -- |
| PowerBook 540 | √ | √ | -- | -- | -- | -- |
| PowerBook 2300 | √ | √ | √ | √ | √ | -- |
| PowerBook 5300 | √ | √ | √ | √ | √ | -- |
| PowerBook 1400 | √ | √ | √ | √ | √ | -- |
| PowerBook 3400 | √ | √ | √ | √ | √ | -- |
| Power Macintosh 5200 | √ | √ | √ | √ | √ | -- |
| Power Macintosh 5300 | √ | √ | √ | √ | √ | -- |
| Power Macintosh 5400 | √ | √ | √ | √ | √ | -- |
| Power Macintosh 5500 | √ | √ | √ | √ | √ | -- |
| Power Macintosh 4400 | √ | √ | √ | √ | √ | -- |
| Power Macintosh 6200 | √ | √ | √ | √ | √ | -- |
| Power Macintosh 6300 | √ | √ | √ | √ | √ | -- |
| Power Macintosh 6400 | √ | √ | √ | √ | √ | -- |
| Power Macintosh 6500 | √ | √ | √ | √ | √ | -- |
| Power Macintosh 7300 | √ | √ | √ | √ | √ | -- |
| Power Macintosh 7200 | √ | √ | √ | √ | √ | -- |
| Power Macintosh 7500 | √ | √ | √ | √ | √ | -- |
| Power Macintosh 8500 | √ | √ | √ | √ | √ | -- |
| Power Macintosh 9500 | √ | √ | √ | √ | √ | -- |
| Power Macintosh 7600 | √ | √ | √ | √ | √ | -- |
| Power Macintosh 8600 | √ | √ | √ | √ | √ | -- |
| Power Macintosh 9600 | √ | √ | √ | √ | √ | -- |
| Power Macintosh G3 AIO | √ | √ | √ | √ | √ | √ |
| Power Macintosh G3 Beige | √ | √ | √ | √ | √ | √ |
| Power Macintosh G3 B&W | -- | -- | √ | √ | √ | √ |
| iMac (original) | -- | √ | √ | √ | √ | √ |
| iMac (colors) | -- | -- | √ | √ | √ | √ |
| iMac (DV) (1) | -- | -- | -- | √ | √ | √ |
| PowerBook G3 | -- | √ | √ | √ | √ | √ |
| iBook | -- | -- | -- | √ | √ | √ |
| PowerMac G4 (1) | -- | -- | -- | √ | √ | √ |
| PowerMac G4 (Firewire) (3) | -- | -- | -- | -- | √ | √ |
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