| iMac Pro Model | Max. DRAM | User- Installable Slot |
AASP- Installable Slot |
Video/ VRAM |
|---|---|---|---|---|
| iMac Pro (2017) | 256GB | None | 2666MHz DDR4 ECC | 8GB or 16GB HBM2 |
The memory in iMac Pro (2017) isn't user-accessible. If the memory in your iMac Pro needs to be replaced, contact an Apple Store or Apple Authorized Service Provider. If you’d like to upgrade the memory in your iMac Pro, an Apple Authorized Service Provider can help. Before you schedule an appointment, confirm that the specific store or service provider that you contact offers memory upgrade services, and update your Mac to the latest version of macOS.