The product is a lot of 6 Western Digital WD30PURX 3TB internal desktop hard drives. These drives are 3.5 inches in form factor, SATA III interface, and have a storage capacity of 3TB each. They are purple in color and come with a cache size of 64MB. Manufactured in Thailand, these Western Digital hard drives are reliable and efficient for storing large amounts of data and files for personal or professional use.