Modern hard disk drives use a Serial Advanced Technology Attachment or SATA interface to attach to a computer motherboard. SATA drives come in speeds of 1.5 gigabits per second, 3.0 Gbps and 6.0 Gbps.
If you have a Mac Pro, a Power Mac G5, or a Power Mac G4 or G3 with free drive bays, you can install an additional internal hard drive instead of upgrading your main one—it’s easy and takes only a few ...