3d-xpoint meaning

(3D Cross Point) A non-volatile phase change memory and storage technology from Intel and Micron. Optane is Intel's brand for 3D XPoint, while Micron uses the QuantX moniker. Less expensive and denser than dynamic RAM (DRAM), XPoint is more costly than NAND flash but is considerably faster while using less power.Both Memory and Storage3D XPoint has unique attributes. Like all RAM chips (DRAM and SRAM), it is byte addressable and can thus be used as main memory or as a secondary RAM bank. Because it is non-volatile, it can also replace an SSD or hard drive or be used in conjunction with them.XPoint is expected to be available in 256GB and 512GB modules compared to DDR4 capacities, which typically max out at 64GB. See byte addressable and SDRAM.Byte Non-Addressable Volatile SpeedSRAM Yes No Fastest DRAM Yes No Faster XPoint Yes Yes Fast NAND No Yes Slow.
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