Seagate announced the new Barracuda 7200.11, which is the world’s first 3.5-inch SATA hard disk drive to achieve 1.5TB capacity. To be available in August, the Barracuda 7200.11 has 4 platters of 375GB and it offers 120MB/second transfer rate. Other capacities are also available, including 1TB, 750GB, 640GB, 500GB, 320GB and 160GB.