WD Black Mobile WD5000BPKT Internal HDD 2.5 "SATA II 7200 rev / min 500GB (Personal Computers)
Very good for a fast disk DD. Please note if this is an addition for storage, Windows does not necessarily will recognize it, you must go to the hard disk management and change the letter (e: f: g: etc) a lot of forum will explain how to do point to