10 Best Internal hard drive of 2018

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  • Engineered specifically for surveillance security systems
  • Supports up to 180 TB/yr. workload rate
  • Tuned for write-intensive, low bit-rate, high stream-count...
  • Perfect for Desktop storage, all-in-one storage, home...
  • Instant Secure Erase allows safe and easy drive retirement;...
  • SATA 6Gb/s interface optimizes burst performance
  • The thinnest and highest-capacity 2.5-Inch Hard Drive...
  • Choose 7mm - 500GB, 1TB and 2TB capacity options - for...
  • With 3TB and 5TB capacity options, the 15mm barracuda...
  • The thinnest and highest-capacity 2.5-Inch Hard Drive...
  • Choose 7mm - 500GB, 1TB and 2TB capacity options - for...
  • With 3TB and 5TB capacity options, the 15mm barracuda...
  • Capacity: 2 TB
  • Form Factor: 3.5 inch
  • Interface: SATA 6Gb/s
  • Faster load times for non-stop performance and play
  • Performs up to 5× faster than 7200 rpm desktop Hard drives
  • Up to 2TB of capacity to store 80× 25GB games
  • Cost-effective storage upgrade for laptop or desktop...
  • Store all your games, music, movies and more with up to 4TB...
  • SATA 6Gb/s interface optimizes burst performance
  • Cost-effective storage upgrade for laptop or desktop...
  • Store all your games, music, movies and more with up to 4TB...
  • SATA 6Gb/s interface optimizes burst performance. Seagate...
  • Engineered specifically for surveillance security systems
  • Supports up to 180 TB/yr. workload rate
  • Tuned for write-intensive, low bit-rate, high stream-count...

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Internal hard drive guide

Each computer can only work with one hard disk. The hard disk as magnetic mass storage serves as a „memory“ of the computer. The hard disk is a rapidly rotating disk, which is covered with a thin layer of magnetic material. Today one differentiates between internal hard disks and external hard disks.

Task of a hard disk

An internal hard disk replaces the read-only memory ROM and the floppy disk. In 1954, the first internal hard drives were used industrially. Since then, they have continued to evolve, especially in terms of storage density and today’s very high storage capacity.
In the computer, a small read and write head moves back and forth across the hard disk. In the form of magnetic points, this can write the dual digits to be stored on the hard disk. In addition, the small read and write head can read these written magnetic signs again. Today’s modern internal hard drives can store a multitude of gigabytes of data. Each information stored on it can be read from there in milliseconds. But not only stored data can be found on the hard disk but also the application programs of the computer as well as the operating system. All stored data, application programs and the operating system remain stored on the internal hard disk even without power supply.

Differences from internal hard disks

Not only in their storage capacity, the internal hard drives differ. Differences are also found in terms of speed, reliability and price. For every imaginable area of ​​application one finds today the most different hard disk types. Storage capacities of around 8 TB are already offered today. However, such internal hard drives are only for special applications. In the future, it should be possible to offer up to 20 TB per single drive.
The rotation speed of an internal hard disk is specified in revolutions per minute. The lower the rotational speed of an internal hard disk, the longer it takes to access the selected sectors. The usual speeds of rotation today include 10 000 rpm, 7200 rpm and 5400 rpm. Hard drives in traditional computers typically run at 7200 rpm. Low-noise and low-power internal hard drives offer a rotation speed of 5400 rpm.
The capacity of an internal hard disk depends on the number of its data disks. If the data stream is summed over several read and write heads, their write speed also increases. If the data density is very high, you can do more bitsPass the read and write head per second so that more data can be read and written.

Internal hard disk offers

The Seagate Desktop SSHD offers an optimal mix of high transrater rates and cheap storage space. It is offered with 2 TB and 4 TB. It offers a 3.5 inch format and a SATA3 interface. In addition, this hard drive is a Hybrid hard drive,
The HGST Deskstar 7K4000 offers a total storage capacity of 4000 gigabytes and a size of 3.5 inches. In addition, it works very quietly and only offers an energy consumption of about 9 watts. Despite its speed, it never exceeds a temperature of 50 degrees.
The currently fastest internal hard drive is the Seagate Barraduda ST2000DM001. It offers a storage volume of 2TB and a rotation speed of 7200 rpm.

*Last update on 2018-07-30 / Affiliate links(we get a commission when you buy on amazon) / Images from Amazon Product Advertising API