---SATA stands for ‘Serial Advanced Technology Attachment’ or ‘Serial ATA’. It’s an interface used to connect ATA hard drives to a computers motherboard. Transfer rates start at 150MBps.

---IDE stands for ‘Integrated Device Electronics’ This is one of the most widely-used hard drive interfaces on the market. Its transfer rate ranges from 5MB/sec up to 133MB/sec

---EIDE stands for ‘Enhanced Integrated Drive Electronics’, it’s an improved version of IDE. Its transfer rate can be up to 16.6 Mbps.