MacBook Pro notebooks now feature state-of-the-art Intel processors, quad-core and dual-core, and now flash storage that boosts its performance when combined with:Dual-core Intel Core i5 2.5GHz4GB RAM500GB Hard Drive SuperDriveThunderbolt portAluminum unibody enclosureGlossy Widescreen DisplayMac OS X 10.8 Mountain LioniLife 11Additional Optional upgrades:Up-to 16GB RAM750GB Sata HDDTags: macbook pro, macbook, MD101B/A,