Description of Hard drives

[Tom77]

Hello,
what is the difference between green,red,blue,black advertised harddrives?

 

[phil22]

They are names given by Western Digital to a particular range of their hard drives which are built for specific purposes or have special features such as producing less heat or making less noise than a standard hard drive. They generally cost more as well. Specifications are summarised on the following pages:

"Green" WD hard drives:
http://www.wdc.com/en/products/products.aspx?id=780

"Black" WD hard drives:
http://www.wdc.com/en/products/products.aspx?id=760

"Blue" WD hard drives:
http://www.wdc.com/en/products/products.aspx?id=770

"Red" WD hard drives:
http://www.wdc.com/en/products/products.aspx?id=810