Micron vs. Western Digital: Which AI Data Stock Has More Room for Profits to Normalize?

Micron Technology, Inc. (NASDAQ:MU) and Western Digital Corporation (NASDAQ:WDC) occupy different parts of AI infrastructure. Micron supplies memory used to process and retain data; Western Digital's hard drives provide economical bulk storage. Their products are complementary, but the shares compete for an investor's allocation to hardware benefiting from rising data demand. Micron's October 7 price was about 21 times trailing free cash flow, against Western Digital's 43 times. The lower price matters only if Micron's current profitability is not far more vulnerable to normalization. Micron ranks #2 while Western Digital ranks #8 on our list of 10 Best AI Memory Stocks to Buy in 2026.