The majority of PC users out there have regular mechanical hard drives in their computers, it's going to be a long time before SSDs replace them. Hard drive companies like Seagate know this and they're not going to stop improving the technology, with the introduction of the new SATA 3 interface we're starting to see hard drives to go with it. The first company out the door with one was Seagate, and it's a big one coming in at 2 Terabytes in size called the Barracuda XT, and that's what I've got for review today. The Barracuda XT is not only the first SATA 3 capable drive but it's one of the fastest on the market today even with the SATA 2 interface. I've put the Barracuda XT up against three other hard drive including the Western Digital Caviar Black, a Hitachi and one from Samsung. So read on to learn about a drive that you'll want to if you're thinking of upgrading your system