3D XPoint — LLMpedia

3D XPoint
Trolomite · CC BY-SA 4.0 · source
Name	3D XPoint
Developer	Intel Corporation; Micron Technology
Introduced	2015
Type	Non-volatile memory
Medium	Solid-state
State	Semiconductor
Capacity	Variable (tens of GB to TB)
Interface	NVMe; PCIe; DIMM-like

Contents

3D XPoint 3D XPoint is a non-volatile memory technology jointly developed by Intel Corporation and Micron Technology introduced in 2015, intended to bridge the gap between Dynamic Random-Access Memory alternatives and NAND flash storage. It was positioned between DRAM and solid-state drive products from vendors such as Samsung Electronics, SK Hynix, Western Digital, Kingston Technology, and Toshiba Corporation (now Kioxia Corporation). Announcements and demonstrations involved executives from Intel Corporation and Micron Technology alongside industry events like Intel Developer Forum and Computex.

Overview

The announcement described a novel memory class promising lower latency and higher endurance than NAND flash while offering greater density than DRAM, targeting data center firms like Amazon Web Services, Microsoft Azure, Google Cloud, Facebook, Alibaba Group, and Oracle Corporation. Marketing and strategy discussions referenced collaborations with system architects at Dell Technologies, Hewlett Packard Enterprise, Lenovo, Cisco Systems, NetApp, and Pure Storage. Analysts at IDC, Gartner, Forrester Research, Bloomberg, and The Wall Street Journal compared 3D XPoint to technologies from Seagate Technology and to academic research from institutions like MIT, Stanford University, UC Berkeley, and Carnegie Mellon University.

The technology used a cross-point array architecture derived from concepts in publications from Intel Corporation and Micron Technology engineers, with patents examined by practitioners at IEEE conferences and presented at venues such as ISSCC and Hot Chips. Implementation details referenced selector materials and phase-change alternatives, with comparisons to approaches explored at IBM Research, Samsung Research, Toshiba Research Europe, and SK Hynix Research. Fabrication aligned with fabs operated by Intel Corporation and Micron Technology and intersected with process nodes discussed by TSMC and GlobalFoundries. Controller designs integrated work from partners like Marvell Technology Group, Phison, Silicon Motion, and system firmware teams from Red Hat and Microsoft.

Benchmarks published in collaboration with partners compared latency and bandwidth against DRAM modules from Corsair, Kingston Technology, and Crucial, and against NVMe SSDs from Samsung Electronics, Western Digital, Seagate Technology, and Toshiba Corporation. Endurance and wear characteristics were evaluated by testing groups at Intel Labs, Micron Technology, Lawrence Berkeley National Laboratory, and industry labs tied to JEDEC. Workloads from Oracle Corporation databases, SAP SE environments, Microsoft SQL Server, MongoDB, Inc., and Redis Labs were used to illustrate persistence and durability for enterprise customers including Goldman Sachs, Morgan Stanley, JPMorgan Chase, and Bloomberg LP.

Commercial products appeared under Intel branding such as Intel Optane (co-developed product families) and were adopted in systems by Dell Technologies, Hewlett Packard Enterprise, Lenovo, Supermicro, and hyperscalers including Amazon, Microsoft, Google, and Facebook. Storage arrays from NetApp, Pure Storage, EMC Corporation (part of Dell Technologies), and software integrations from VMware, Red Hat, and SUSE were announced. Supply decisions and product roadmaps were reported in filings with regulators like the Securities and Exchange Commission and covered by media outlets including The New York Times, Financial Times, CNBC, and Reuters.

The joint development agreement between Intel Corporation and Micron Technology led to licensing and disputes referenced in corporate communications and filings with bodies such as the United States International Trade Commission and covered by legal teams at firms like Latham & Watkins and Skadden, Arps, Slate, Meagher & Flom. Manufacturing shifts involved fabrication facilities at Intel Fab, Micron Fab, and partners like TSMC, with supply chain management citing logistics partners such as DHL and FedEx. Collaborations extended to software and firmware partners including Microsoft, Red Hat, Canonical, VMware, Canonical Ltd., and enterprise customers like IBM and Oracle Corporation.

Targeted applications included acceleration of in-memory computing workloads used by SAP SE, Oracle Corporation, and Microsoft SQL Server; caching layers for content providers like Netflix, YouTube (owned by Google LLC), and Spotify; and high-frequency trading systems at firms such as Citadel LLC and Jane Street Capital. Other adopters and integrators included NVIDIA Corporation (for AI pipelines), AMD (for server platforms), Intel Xeon platforms, virtualization stacks from VMware, and container orchestration by Kubernetes projects managed by Cloud Native Computing Foundation members.

Advantages cited by proponents included lower latency than NAND flash and higher density than DRAM, making it attractive for vendors such as Intel Corporation, Micron Technology, Samsung Electronics, and Western Digital. Limitations discussed by analysts at Gartner and Forrester Research included cost per bit relative to NAND flash from Toshiba Corporation/Kioxia Corporation and yield challenges similar to those experienced by fabs like GlobalFoundries and TSMC. Future development roadmaps referenced research at MIT, Stanford University, UC Berkeley, IBM Research, and corporate R&D labs at Intel Corporation and Micron Technology exploring alternatives and successors competing with emerging technologies from SK Hynix, Samsung Research, Western Digital Research, and academic consortia funded by agencies such as the National Science Foundation and DARPA.

Category:Non-volatile memory technologies