Aimed at the data centre, Intel’s newest solid state drive can store 32 terabytes by stacking memory cells atop each other in multiple, extremely thin layers.

The Intel SSD DC P4500 is about the size of an old-fashioned 12-inch ruler, and can store 32 terabytes, which is equivalent to triple the entire printed collection of the U.S. Library of Congress, according to the company.

The new SSD is Intel’s densest drive ever, and is built on 3D NAND technology, which stacks memory cells atop each other in multiple extremely thin layers, instead of just one; memory cells in the P4500 are stacked 64 layers deep.

In data centres, the no-moving-parts ruler-shaped SSDs can be lined up 32 side-by-side, to hold up to a petabyte in a single server slot. Compared with a traditional SSD, the “ruler” requires half the airflow to keep cool. And compared with hard disk storage, the new 3D NAND SSD sips one-tenth the power and requires just one-twentieth the space.

Older disk drives produce a great deal of heat. In most data centers today, the single biggest cost is air conditioning to keep them cool. This is one of the reasons some of the world’s biggest data companies such as IBM, Microsoft and Tencent are using the new “ruler” SSD to support their cloud and data centre operations, Intel said.

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