Seagate Serial #'s / Model #'s

Seagate ( http://www.seagate.com/support/warranty-and-replacements/ )
-External HDD's

--15K Cheetah [600GB]
---Serial :: 6SL3YQXY
----X = Any Number
----Y = Any Number / Any Letter
---Model :: 9FN066-008

--Free Agent Go Flex Desk [2TB]
---Serial :: NA0LAMXY
----X = Any Number
----Y = Any Number / Any Letter
---Model :: 9ZQ2N2-570

--Expansion Desktop [4TB]
---Serial :: NA5KXY1D
----X = Any Number
----Y = Any Letter
---Model :: 1DXAY7-570

--600 SSD Drive [240GB]
---Serial :: Z4N001LP
---Model :: 1G5152-300