In a HDD, data is written onto fast-spinning platters by a moving magnetic head. Special layers called carbon-based overcoats (COCs) protect these platters from mechanical damage and corrosion during ...

Bottom line: WD recently announced a slew of storage products, and the Ultrastar-branded 26TB DC HC670 and 22TB DC HC570 take the lead when it comes to HDD data storage and areal density. Closing in ...