Hot-swappable hard drive bays have been around for quite a while now. Many people use them because they need to transfer large files between computers or they need to take hard drives with them from location to location. The thing that was a big pain when it came to hot-swappable devices is that you needed to have the same one installed on each system so that the trays would work on both systems. ICY DOCK who has been making devices like this for a long time has now eliminated the tray design so all you have to do is just slide your drive right in. Let’s take a look at one of their latest internal enclosures the MB672.