Apple ラップトップ MacBook Pro 16´´ M1 Pro/16GB/ 1TB SSD 銀| Techinn 携帯
M1 MacBook Air's SSD is twice as fast as that of the latest Intel-based model - NotebookCheck.net News
Mac Studio SSD does not work on NVMe, top-level ARM64 SSD controller in M1 Ultra makes it nearly impossible to swap-out or add raw storage modules - NotebookCheck.net News
M1 Mac RAM and storage can be upgraded after purchase, but it's not easy - 9to5Mac
M1 Mac RAM and SSD Upgrades Found to Be Possible After Purchase - MacRumors