What is the difference between 1 tb 5400 rpm hard drive and 750 gb 7200 rpm sata hard drive
what is the difference between a 1 tb 5400 rpm hard drive and a 750 gb 7200 rpm sata hard drive and wht is the difference between AMD Phenom II4910 2.6 ghz and Intel Core 2 Quad 2.5 ghz