When used with a 2.5' to 3.5' drive adapter, sled, or tray it's also the right choice for older Mac Pro towers and iMac computers which used full-size 3.5 inch drives. Shopping for the best SSD for Mac? Internal or external, there's a great range of SSD upgrades you can perform on your Macintosh desktop or MacBook laptop to bring it up-to-speed with high-performance storage.įor upgrading many legacy Mac's and MacBooks, a very affordable off-the-shelf 2.5' laptop-size 6Gbps SATA III SSD is the right choice. Apple Compatible Solid-State Drive Upgrades