Following the February 2025 SanDisk separation, Western Digital emerges as a focused HDD pure-play at the exact moment AI data infrastructure demands unprecedented exabyte scale. This digest covers WDC's structural competitive advantages, Q2 FY26 financials ($3.0B revenue, 46.1% gross margin), and the investment thesis anchored in 25%+ CAGR exabyte demand through 2030.
