Recent findings from memory industry research indicate that the NOR Flash market is undergoing a significant supply-demand shift, marking its most critical structural transition in nearly a decade. With artificial intelligence applications consuming a large portion of production capacity, coupled with escalating demand for high-end applications, supplier output growth of NOR Flash bits remains limited. This is expected to sustain the supply-demand imbalance through the second half of 2026, with overall contract prices staying elevated and high-capacity product prices potentially doubling.

Despite suppliers increasing capital expenditures and expanding production, new capacity must go through process miniaturization, yield improvement, product validation, and customer specification integration, preventing an immediate conversion into available market supply. Consequently, the gap in the mid-to-high capacity segment cannot be filled in the near term.

An analysis of major NOR Flash manufacturers reveals that market leader Winbond is poised for the largest bit growth in 2026, driven mainly by the full ramp-up of its 45nm NOR products and the transition to 25nm/20nm processes. While wafer input growth is limited, the bit output per wafer is increasing substantially. Second-ranked Gigadevice Semiconductor Inc. offers a product range spanning from 512Kb to 2Gb, with plans in 2026 to upgrade processes for capacities above 32Mb. However, the company's decision to shift some NOR foundry work to overseas wafer fabs has impacted effective output during the first half due to the integration period, with capacity gradually recovering later in the year. MXIC, prioritizing its new 12-inch capacity in 2026 for the more tightly supplied NAND and eMMC segments, has limited NOR wafer input growth, resulting in significantly lower NOR bit growth compared to overall capacity expansion.

AI and aerospace communications are emerging as the primary drivers of new demand in 2026. Beyond traditional applications like advanced driver assistance systems, digital cockpits, and industrial controls, these sectors are fueling sustained growth in NOR Flash demand despite limited additional supply. For instance, a single AI server requires three to five times more NOR capacity than a conventional server, with each Retimer chip inside needing dedicated NOR Flash for microcode loading, thus boosting demand for high-capacity and Octal SPI NOR products. Furthermore, local inference devices like Edge-AI, AI PCs, and robots expand model firmware sizes severalfold, increasing the need for high-density NOR Flash.

In the realm of low-earth orbit satellites and aerospace electronics, critical core chipsets rely on high-reliability NOR Flash for fast boot and firmware backup, while ground receiving antennas incorporate NOR for real-time computing and over-the-air firmware updates. Aerospace-grade NOR must feature radiation tolerance and resistance to extreme temperature variations, establishing technical barriers for certain manufacturers.

Projections indicate that NOR Flash contract prices rose an average cumulative 100-120% in the first half of 2026, but price trends are expected to diverge across capacity segments in the second half. High-capacity products of 256Mb and above, supported by robust demand from AI servers and automotive applications, combined with limited new supply from key manufacturers, are anticipated to see average price increases of 90-110% in the latter half. In the mid-to-low capacity market of 128Mb and below, as some suppliers gradually release production capacity, price increases for consumer products are slowing, moving into a high-level consolidation phase with a projected fourth-quarter rise of 10-20%.