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The choice of hard drive cases is also determined by the interface that is at the end of the drive. It might be IDE which stands for Integrated Drive Electronics (it has lately been renamed ATA) or it might be SATA (or Serial ATA) interface. The IDE interface is very easy to identify. It has only two rows of pins which make a total of 40 and then it has some additional pins for jumper settings. It is also very important to consider the manner in which you want the drive cases to connect hard drive to the PC. You may choose between a USB, eSATA, a Firewall interface or a combination of these interfaces. USB is the most widely known interface. When you use drive cases, you turn all your hard drives as well as optical drives into external drives. This makes it possible for many computers to share a single drive. It then becomes very easy for a hard drives to be moved from one computer to the other as an information backing routine. There are also drive cases for optical drives. These ones enable employees to share a CD or a DVD drive for various office tasks. This leads to savings since you only need to buy drive cases. Drive cases can easily plug into USB ports. On the other hand, there are some external drives that do not require drive cases at all. However, the cheapest way of setting up a cheap but efficient information system in your business is buying hard drives and then buying drive cases so as to assemble them yourself. Assembly is a very simple activity. You pop the drive into the case and you are done. If you can get the best technicians and provide them with the required resources, you can get the job done in a way that will boost your business. When changing in internal hard drive into an external drive, you have various options. You may choose the 3.5-inch PC drive or the 2.5 inch drive for laptops. It is cheaper to buy desktop hard drives per every gigabyte. On the other hand, external laptop hard drives are much more compact, and don't require any PC plug-in.
