Western Digital My Book Thunderbolt Duo Dual-Drive storage system now shipping.

Western Digital’s My Book Thunderbolt Duo Dual-Drive is now up for sale after first being revealed at January’s MacWorld 2012 show.

Making use of the new superfast Thunderbolt data transfer standard, the My Book Thunderbolt Duo Dual-Drive can be equipped with dual RAID 0, 1 and JBOD options for between 4 TB/6 TB of storage capacity.

Offering two channels of up to 10Gb/s transfer rate in both directions (equating to roughly 700MB/sec read and 500MB/sec write speeds), the unit also supports daisy-chaining over Thunderbolt for hooking up further storage devices or other Thunderbolt-enabled hardware like monitors.

“The My Book Thunderbolt Duo offers large storage capacities for creative professionals and enthusiasts who produce, edit, or need quick access to large files, including HD video,” said Jody Bradshaw, general manager of WD consumer storage solutions.

“Its dual Thunderbolt ports provide amazing creative flexibility while allowing daisy-chaining of up to six My Book Thunderbolt Duo drives or other high performance peripherals for fast and efficient workflow. The combination of storage, backup, security, flexibility and speed makes the My Book Thunderbolt Duo the ideal choice for creative professionals that need to write, store, protect and edit high-definition and graphic intensive projects.”

Grab one here for £579.90.