There are two types of SSDs which can be used to upgrade your device. 

SATA SSDs can be used to upgrade much older devices!

 

NVME SSDs can be used to upgrade newer devices!

What SSD is best for your device?

 

MacBooks

MacBook Pro Non Retina (2012 Or Earlier)

MacBook Pro (Late 2013 Or Later)

MacBook Air (Late 2013 Or Later)

 

iMacs

iMac (2012 Or Earlier)

iMac (Late 2013 Or Later)

Not Sure What Mac You Have?