MRAM - commercial memory

https://en.wikipedia.org/wiki/Magnetoresistive_RAM

introductory 159 – Introduction to MRAM with Joe O’Hare from Everspi‪n‬ - Storage Unpacked Podcast

STT-MRAM: Introduction and market status

Everspin Technologies Announces Development of STT-MRAM for Industrial and IoT Applications

• TSMC THINKS IT CAN UPHOLD MOORE’S LAW FOR DECADES

On the memory side, Wong said the most likely new candidates for 3D integration are spin torque transfer magnetic RAM (SST-MRAM), phase change memory (PCM), resistive RAM (ReRAM), ...
and
....including Everspin’s MRAM, Samsung’s embedded MRAM, Crossbar’s ReRAM .....

Global Magneto Resistive RAM (MRAM) Industry in 2020

• 2021 IBM Nears Breakthrough In New Memory Class

IBM introduces its latest 19.2TB enterprise SSD drivers with Everspin's STT-MRAM