If you’re in the market for a ridiculous amount of external storage for your computer, Western Digital has you covered with the latest entry in its My Book Duo storage family. The company announced that it is now offering a 20TB model, which features two 10TB drives operated in RAID.

RAID-1 mode will allow you to mirror the drives for extra

Source: Hot Hardware – Western Digital Launches Massive 20TB My Book Duo Desktop Storage System