手动搜集资料，不敢保证无误，如有错误，恳请指正。 1. 设备 最新的3D XPoint存储器比DRAM慢10倍，便宜2倍；比NAND FLASH快1000倍，贵5倍左右，性能比其他PCIe和NVMe的SSD快10倍左右。并且它是一种NVM。 下表摘自[2] Type Volatile? Writeable? Erase Size Max Erase Cycles Cost (per Byte) Speed SRAM Yes Yes Byte Unlimited Expensive Fast DRAM Yes Yes Byte Unlimited Moderate Moderate Masked ROM No No n/a n/a Inexpensive Fast PROM No Once, with a device programmer n/a n/a Moderate Fast EPROM No Yes, […]