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Estimated family file size
photo
At present, mobile phones have more than 10 million pixels, each photo is more than 3M in size, and hundreds of photos are taken every week. The video is over 100M per minute and more than 10 minutes per week. Calculated in this way, we need more than 1G-2G space per week.
At least 2 mobile phones at home, as well as pads, cameras, etc. About 4G of space is needed every week. One year requires about 200G of space.
the film
Most of the movies are watched through online video apps, and a small part of them are downloaded and watched. About 10-20 movies a year, about 10G each, and 100G-200G a year.
data
For work-related data, 100G is generally required.
total
Therefore, according to the principle of 5 years enough, a hard disk of at least 2T is required.
Backup storage strategy
