Universal 9.0mm HDD Caddy For Laptop 2.5":
HDD Caddy for more storage with a 2nd laptop drive

Thanks to HDD Caddy it is now easy to add more storage space to your laptop or Macbook Pro! With HDD Caddy you can add a second internal hard disk drive (HDD) or solid state drive (SSD) to your laptop. No need to carry external USB hard drive