iPod Classic 3rd, 4th, and 5th Gen OEM Hard Drives. Pulled from working iPods. All work. Most still have music on them.
Songs might be protected, corrupted, or duplicates. No warranty or guarantees on the music on the drives if you are able to extract it.
Sold AS-IS.
I should have mentioned the 3rd Gen is a 40GB (thick), all of the 4th Gens are 20GB (thin), and the 5 with 112 songs is a 60 GB (thick) and the 5.5 with 1207 songs is a 30GB (thin)