What is the difference between Western Digital blue disk, green disk and black disk, red disk and purple disk?

The blue disk, green disk, black disk, red disk and purple disk refer to the piece of paper affixed to the Western Digital hard drive, which is blue, green, black, red and purple.

WD Blue Disk:

Suitable for daily computer use, with an optional capacity of 1-6T.

WD green disk:

Power-saving, quiet, large space, suitable for storage, capacity less than 1T.

WD black disk:

High performance, suitable for playing games, editing a large number of videos or pictures, with an optional capacity of 1-6T.

WD Red Disk:

Suitable for computers that operate in a NAS environment and operate 24 hours a day, 7 days a week. The capacity is 1-10T.

WD Purple Disk:

Usually used in surveillance systems, supporting up to 32 high-definition cameras, 2-10T optional.

Extended information:

Computer hard disk storage capacity is usually calculated in bytes:

1DB=1024NB;

1NB=1024BB,

1BB=1024YB;

1YB=1024ZB;

1ZB=1024EB;

1EB=1024PB;

1PB=1024TB;

1TB=1024GB;

1GB=1024MB;

1MB=1024KB;

1KB=1024B.

Baidu Encyclopedia-Western Digital Hard Drive