1TB at this price is very interesting. No recognition problem on the 4 home PC. It is fast enough to make backups. The only question I ask myself: I just tested it with Crystal DiskMark on my last PC arrived last week and has multiple USB ports and 2 USB 3. I get almost the same performance in reading and writing between USB2 and USB3. .. Is my PC? Is the drive? or simply, is this logic? as I am only a humble user computer means and my knowledge is far from the level needed to enjoy such an analysis, I am satisfied with this situation and I do with ... I will try to understand later . I do not regret my purchase ...