This Hard Disk Drive Mounting Bracket is compatible with the PS3 system CECH-400X Series.
If you have purchased the PS3 Super Slim 12GB model and wish to fit a hard drive.
This is what you need (and of course a 2.5 inch SATA hard drive as well). Includes full instructions,
and importantly the low-profile headed screws are required to mount the drive correctly and safely into your console.