WD My Book Thunderbolt Duo for Mac external hard drive 6TB (8.9 cm (3.5 inches), 64MB cache IntelliPower, dual-drive) incl. Cable (option)
Once I bought a Promise Raid and the permanent noise was extremely annoying, I bought as normal memory two My Books. Why two because 6TB on, and the second is from time to time to beat to backupen to the first. The two parts are virtually inaudible,