Scrap Wiki
On the side of the hard disk, there are some bar-shaped fixation structures made of zinc. The casing of the hard disk is mostly made of iron, and there are also casings made of 304 stainless steel or aluminum. The bottom shell of the hard disk is all cast aluminum, which accounts for about 40% of the overall weight. The small motor inside the hard disk contains a permanent magnet, with a scrap value of over 13,700 USD per ton. The magnet. Manual disassembly costs 270-410 USD, and the drive is mainly made of iron. The hard disk platters have a coating of rare metals 3-5 layers thick. The circuit board of this type of hard disk has been removed, and its general market price is around 1,780 USD.
