By purchasing a new PC (i7-3770 CPU, 3.4GHz) I had the old PC is still a 2TB Seagate (SATA, 3.5 ") left. I decided to use it as an external USB hard drive and chose for this housing. With its USB 3.0 interface, it should serve as a backup drive and makes it better than expected. The writing speed is the data exchange of 2 internal hard drives very close. 20GB (8 files) were written with s average 160 MB / s in 128 s and 4.33 GB (3800 files) with average 74 MB / s in 60. In addition to these data, the housing has a very successful design. The installation of the HDD requires no special technical. Conditions. Means very good zugängigem switch, the external hard drive as needed on or off. The delivery took place in a timely manner, as announced, the package was perfect. Includes power supply and USB cable supplied you get a great USB3.0 hard drive enclosure for little money.