Group 1 - The average price of PC DRAM products (DDR4 8Gb 1Gx8) increased significantly by 27.27% in May, reaching $2.1, following a 22.22% rise in April, marking two consecutive months of over 20% growth [2] - NAND flash memory prices for general products (128Gb 16Gx8 MLC) rose by 4.84% in May, with an average price of $2.92, continuing a five-month upward trend after a decline that started in September of the previous year [2] - The U.S. government's announcement of equivalent tariffs and a 90-day grace period has led PC manufacturers to increase their memory inventory, particularly boosting demand for low-cost CPUs and corresponding DDR4 DRAM [2]