Looking for half a terabyte of storage in a sleek, quiet, 3.5" package? If so, Seagate's Barracuda 7200.9 500GB may be just for you. This drive boasts 300MB/sec SATA transfer rates with NCQ support, a speedy 16MB cache, and the highest platter density of any 500GB HDD on the market. See how it performs in today's review!