Brendan screaming at a storage array - revisited

Do you remember this video Brendan published on the very last day of the last year. He screamed at a single harddisk to demonstrate that Analytics is precise enough to see the impact of directed sonic waves to a disk. I assume, most people didn’t looked at the device on top of the J4400:

Damned … i’m not sure what it is, but i’m sure i saw this device recently at a Sun product webpage … ;)