Replace the black plastic feet on the lower case of your Unibody MacBook or MacBook Pro.
9.5 mm Internal SATA Optical Bay for SATA Hard Drives.
A brand new battery for your Macbook Pro 13"
USB connectivity for your extra optical drive.
Max your MacBook Pro 13" Unibody Mid 2012 with 16 GB RAM.
Max your MacBook Pro 13" Unibody Mid 2010 with 16 GB RAM.
Max your MacBook Pro 13" Unibody Early 2011 with 16 GB RAM.
Max your MacBook Pro 15" Unibody Mid 2010 with 8 GB RAM.
Max your MacBook Pro 13" Unibody Late 2011 with 16 GB RAM.
Max your MacBook Pro 15" Unibody Mid 2009 with 8 GB RAM.
Max your MacBook Pro 13" Unibody Mid 2009 with 8 GB RAM.
You can now have two hard drives in your laptop!