# 2021, AI ready (32GB+ unified memory): 4 models

https://secondhandmacbook.com/m/2021/ai-ready/ · source: manufacturer spec pages · blank = not stated · used listings coming soon

|Model|Year|Size|Chip|Memory|Max storage|Thunderbolt|Ext. displays|Battery|
|-|-|-|-|-|-|-|-|-|
|MacBook Pro (14-inch, 2021) with M1 Max|2021|14.2|M1 Max|Up to 64GB||4|4|70|
|MacBook Pro (14-inch, 2021) with M1 Pro|2021|14.2|M1 Pro|Up to 32GB|8192|4|2|70|
|MacBook Pro (16-inch, 2021) with M1 Max|2021|16.2|M1 Max|Up to 64GB|8192|4|4|100|
|MacBook Pro (16-inch, 2021) with M1 Pro|2021|16.2|M1 Pro|Up to 32GB|8192|4|2|100|