WD PORTABLE DUAL-DRIVEWD today announced immediate availability of the My Passport Pro, which it bills as the first Thunderbolt-powered portable dual-drive. The two internal 2.5-inch hard drives and an integrated Thunderbolt cable are mypassport_pro_2packed in a svelte aluminum enclosure that weighs just 1.59 pounds. Users can easily choose between a RAID 0 setup for increased performance or RAID 1 for data redundancy. It’s capable of speeds up to 233 MB/s and to help put that in perspective, it is capable of  “copy[ing] a 22 GB high-definition video file in half the time typically required by a USB 3.0 drive working in RAID 0 format.” Combined, it is about half the speed of an SSD but with much more space/$.

The My Passport Pro is available in 2TB ($299.99) and 4TB (429.99) capacities from Amazon, WD, and Apple stores.