Western Digital Redefines DRAM Caching

Chris Evans digis into Western Digital’s Ultrastar DC ME200. This is a solution to extend server DRAM using caching into byte-addressable NAND. Chris does a great job of giving this a technical overview, and considering if this will find a welcoming market, or simply cover up Western Digital’s lack of a true storage-class memory solution. He also highlights similar efforts to use NAND as a memory cache, specifically citing Diablo Technologies’ Memory1 solution, which he saw back in 2016 at a Tech Field Day event.

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