An external hard drive is a portable version of an internal hard drive (HDD or SSD). Most models are available today in a compact portable 2.5" design, while the slightly larger hard drives of 3.5" are called stationary. A hard drive of 1 - 2 TB (1000 - 2000 GB) is quite common today and is great for storing images and video as well as backup.
Hvis you want to ensure a high transfer rate, you should choose a hard drive with USB 3.0, USB C or Thunderbolt. If you want to save many files, you should consider a large stationary 3.5" hard drive or investing in a NAS server. A NAS server is well suited to backup all the house's computers and to store movies and music on.
As you know it from laptops and desktop computers, you can choose from a classic hard drive (HDD) and a SSD hard drive. The external SSD hard drives are lightning fast and suitable for use on the go. An external SSD hard drive has no moving parts, which minimizes noise and errors.
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