Nintendo 64DD
| Release Year | 1999 |
| Manufacturer | Nintendo |
| CPU | NEC VR4300 (via N64) |
| RAM | 4 MB + Expansion Pak |
| Media | Magneto-Optical Disk |
| Players | 1–4 |
The Nintendo 64DD was a disk drive add-on for the Nintendo 64, enabling rewritable disk media and expanded content.
It supported experimental games like Doshin the Giant and Mario Artist.
The 64DD was a Japan-only peripheral that allowed larger storage and online services via Randnet.