OWC Mount Pro 2.5 is the easiest way to add ANY 2.5" Hard Disk Drive or Solid State Drive to your Apple Mac Pro.The powder-coated aluminum and open design assists in heat dissipation while the blue color not only looks sharp, but allows you to tell at a glance which bays contain 2.5" form factor drives. The OWC Mount Pro 2.5 perfectly aligns the SATA connection from your 2.5" drive into the back plane SATA ports on the Mac Pro.