Computers must use the PCI-Express bus to get the best performance. Otherwise, it runs the same as any existing SATA 3.0 drive. Direct-attached storage (DAS) is a traditional mass storage, that does not use any network. This concept does not pertain to the primary storage, which is shared between multiple processors to a lesser degree. The following list is of external storage devices used over the evolution of the computer. This is still a most popular approach. What does a GB mean? That is, information on it doesn't "go away" when you turn off the system, unlike data stored in RAM. These drives often connect to the computer using USB, eSATA, or FireWire connection. A secondary or tertiary storage may connect to a computer utilizing computer networks. Removable storage, in computing terms, is any form of data storage which is not incorporated into the computer itself. When the computer is running, CPU will transfer the data that needs to be operated from the secondary storage into the memory. If you are not familiar with the technology lingo, you may not have a clue as to what GB stands for in the computing world. The traditional spinning hard drive is the basic non-volatile storage on a computer. Examples of external storage devices. When referring to computer storage, “hard drive” (or SSD, see below) is the term typically used. A computer memory is made up of millions of bytes. Storage’ refers to long-term storage.Everything that your computer knows, but isn’t thinking about, is in storage, written on the Hard Disk Drive (HDD).This is a permanent type of storage: hard drives can be unplugged and contain the same information as when they’re plugged in or turned on. Storage Space – The amount of space you can use to store your files. With hard drives now storing tons of data and SSDs becoming more and more common, your computer's storage can now range from 64GB to 3TB. All data and information fed into a computer, as well as the program that comes preloaded are stored in form of bytes. Whether you have lots of photos or a colossal music collection, you'll want to invest in more space so your computer can keep up. That's a pretty big range. In addition to providing a form of backup by removing data from a centralized computer system, it is also much more portable than an entire computer, allowing people to easily carry data back and forth from a wide variety of locations. The most common unit of storage in computer is called a byte which is equal to 8 bits. Every hard drive has a specific amount of space. For large files and photo storage. The M.2 interface is an advancement in computer storage and performance. 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