My Book 4TB external hard drive also announced.
Western Digital has announced the availability of its My Book Thunderbolt Duo, which offers 8TB of storage space.
The My Book Thunderbolt Duo represents Western Digital's foray into the Thunderbolt storage device market. In terms of cost per gigabyte, the My Book Thunderbolt Duo is the most affordable storage device currently availability with a price of $850. In addition to the drive, a Thunderbolt cable is also included.
The drive contains two internal hard drives that can be set up in either RAID 0, which is the default option, or RAID 1 configurations.
In addition, Western Digital announced its My Book 4TB external hard drive, a single-volume external USB 3.0-compatible hard drive that costs $250.