"dense storage" is correct and usable in written English.
You can use it to describe a type of data storage in which the elements are stored as densely as possible. For example, "He invested in dense storage solutions to maximize efficiency in his data center."
DNA is such a dense storage system because it is three-dimensional.
This requires high bandwidth capacity as well as fast and dense storage servers.
Dense storage in existing pools and casks tends to be less expensive and more economical for utilities than building new pools.
Another exciting area is thin-film solar, in which cells are created in roughly the same way that memory is created on dense storage devices like hard-disk drives — allowing the nascent industry to tap into the valley's expertise.
The data format of ODV is designed for dense storage and direct data access, and allows the construction of very large datasets, even on affordable and portable hardware.
The idea of using individual atoms as bit storage is something many scientists have dreamed of, and the applications of such dense storage are, of course, innumerable.
Chemical explosives provide one of the most high-power and energy-dense storage materials available.
Electrochemical reduction of CO2 to liquid fuels is a promising route to a carbon-neutral, energy-dense storage of intermittent renewable electricity.
[C6.] Denser Storage Method for Chips Matrix Semiconductor, the maker of a novel computer memory chip, plans to announce a breakthrough in one-gigabit chips.
The same cheaper, denser storage has let cable companies finally deliver ubiquitous video-on-demand, after a decade of overpromising.
Micron has a higher Gb/mm2 because it manufactures the chip's CMOS logic circuits beneath the memory array, leading to a denser storage structure.
