| Subject | English | Japanese |
| gen. | n main memory | メーンメモリー |
| gen. | main memory | 主記憶装置 (shukioku-sōchi) |
| comp. | n main memory | メインメモリー |
| comp. | n main memory | メイン・メモリー |
| comp., MS | main memory | メイン メモリ (The amount of memory physically installed on your device (as opposed to on a storage card)) |
| comp. | n main memory | 主メモリ |
| comp. | n main memory | メイン・メモリ |
| comp. | n main memory | メインメモリ |
| gen. | n main memory | メーン・メモリー |
| gen. | n main memory | 主記憶 (しゅきおく) |
| phys. | main memory protection | 主記憶保護 (しゅきおく・ほご) |