Hard Disk Drive Mounting Bracket for Super Slim PS3 CECH-400X Series 1. Hard Disk Drive Mounting Bracket for Super Slim PS3 CECH-400X Series 2. This mounting bracket is compatible for PS3 system CECH-400X Series. 3. This is for the newest PS3 console, which has been nicknamed 'Super Slim',If you have purchased the PS3 Super Slim 12gb model and wish to fit a hard drive. 4. This is what you need (and of course a 2.5" SATA hard drive as well). 5. Includes full instructions, and importantly the low profile headed screws required to mount the drive correctly and safely into your console.