Don't go external for the hard drive. It will take loading screeens ages to load up. Go internal. You just need a standard 2.5″mm SATA laptop hard drive. I got my 320gb on sale at newegg.com for only 85.99 with free 3 day shipping.
im looking for external hdd cause i want to backup all my files in the internal hdd of the ps3…cause im placing a new hdd in my ps3…besides ill be using the external for backing up other stuff in my comp and its portable..