HGST (Hitachi) has been bought by Western Digital. One should be able to expect ...

HGST (Hitachi) has been bought by Western Digital. One should be able to expect a merge of their HDD lines (source: http://www.hgst.com/) .

Moreover, it seems that Deskstars are no longer manufactured (or have been rebranded). http://www.hgst.com/hard-drives/product-brands