Group 1 - The price of DDR5 memory has surged significantly, leading to a reported sales decline of up to 50% for major Taiwanese motherboard manufacturers like ASUS, MSI, and Gigabyte, prompting them to revise their sales targets downward for November and December 2025 [1] - The increase in DDR5 memory prices is expected to negatively impact CPU sales, which are likely to fall below last year's levels [1] - Many manufacturers have started bundling DDR5 RAM kits with motherboards, although this strategy does not benefit existing motherboard users [1] Group 2 - NAND Flash prices have increased by 60% in November 2025, driven by strong demand from AI applications and enterprise SSD orders, with average monthly price increases ranging from 20% to over 60% across various products [2] - The price of 1Tb TLC NAND Flash has risen significantly due to a supply shortage, while 512Gb TLC prices have surged over 65% due to a reduction in old process production and steady market demand [2] - The QLC supply has tightened due to the explosive demand for enterprise-grade high-capacity products, leading to a substantial price increase for 1Tb QLC in November [3]