He's probably gone all Times cryptic crossword on you with u-turn meaning a backwards or an upside down character, and 'got one' could imply choosing the number 1 rather than procurement of a thing.
So, what's Y upside down? Something like a reversed lambda symbol. But why two of them? Two lambda characters next to each other look something like... Two upside down Ys. Maybe they somehow form the logo of the company PB thought you bought the drive from.
(hug) (woot)
I do some of my best most expensive purchasing while under the influence of alcohol!
I misread that as 'more alcohol and lesbians' at first. Must get my eyes tested.