$6.99 (as of April 3, 2017, 5:30 pm) & FREE Shipping. Details

This Hard Disk Drive Mounting Bracket is compatible for PS4 system
This is what you need (and of course a 2.5″ SATA hard drive as well)
Includes full instructions, and importantly the low profile headed screws required to mount the drive correctly and safely into your console

Usually ships in 24 hours