The 27-inch iMac (2015) has no optical drive — you'll need an external USB oneComputers ramseeker mac
The iBook G3 Clamshell has a user-replaceable battery — vintage Apple simplicityComputers ramseeker mac
The PowerBook G4 Aluminum has a standard SATA slot-loading drive — swap or replace it easilyComputers ramseeker mac
The PowerBook G3 Wall Street's ATAPI drive can be swapped or turned into extra storageComputers ramseeker mac
The 2018 MacBook Air's SSD uses a proprietary connector that's hard to replaceComputers ramseeker mac
The iMac 24-inch M1 uses a proprietary NVMe controller integrated into the chipComputers ramseeker mac
The iBook G3 Clamshell uses a standard ATA/IDE optical drive — easy to swap or replaceComputers ramseeker mac
A failed Thunderbolt 3 port on a 2016 MacBook Pro means replacing the whole logic boardComputers ramseeker mac
The 27-inch iMac (2015) has a user-accessible RAM door — officially 32GB, some run 64GBComputers ramseeker mac
The iMac 27-inch (2020) has a RAM door — one of Apple's most user-friendly designsComputers ramseeker mac
