Apple MacBook (13-inch, Aluminum, Late 2008) - Manual (Page 38)

38 Chapter 3 Boost Your MacBook
Replacing the Hard Disk Drive
You can upgrade the hard disk drive in your MacBook. The hard disk drive is located to
the left of the battery when you open the back of your MacBook. The replacement
drive must be a 2.5-inch drive with a Serial ATA (SATA) connector.
To replace the hard disk drive in your MacBook:
1 Follow the instructions for removing the battery on page 34.
2 Touch a metal surface inside the computer to discharge any static electricity from
your body.