Things You'll Need
Instructions
Purchase a 2.5 inch SATA notebook hard disk. This will replace the current, smaller hard disk in your PS3. 5400- and 7200-rpm drives will work.
Back up any important files on your PS3. You can use a flash drive or an external hard drive formatted in FAT32.
Turn off and unplug the PS3.
Remove the plastic HD side panel from the PS3.
Remove the large blue screw.
Open the latch and remove the hard disk.
Detach the hard disk from the tray by removing the four screws.
Attach the new hard disk to the tray and reinsert it into the PS3.
Screw the blue screw back into place and reattach the plastic side panel.