Investment Rating - The report provides a positive outlook for Western Digital Corporation (WDC), indicating a strong performance in FY24Q4 with revenue exceeding guidance and significant year-over-year growth [1][4][19]. Core Insights - The company achieved revenue of 3.764billioninFY24Q4,representinga414.0 to 4.2billion,withanon−GAAPgrossmarginforecastof373.764 billion, exceeding guidance, with a non-GAAP gross margin of 36.3%, significantly higher than previous periods [1][4][19]. - Non-GAAP net income reached 504million,asubstantialrecoveryfromalossof640 million in the same quarter last year [1][4][19]. Inventory - The inventory turnover days increased to 126 days, with total inventory valued at 3.3billion,reflectingabalancebetweendecliningHDDinventoryandincreasingFlashinventory[8][28].CapitalExpenditure(CAPEX)−CashcapitalexpendituresforFY24Q2were84 million, with total capital expenditures for the fiscal year amounting to 244million,a691.882 billion, accounting for 50% of total revenue, with a 21% quarter-over-quarter increase and an 89% year-over-year increase [10][13]. - Client business revenue was 1.204billion,representing32678 million, making up 18% of total revenue, with a 7% quarter-over-quarter decrease but a 5% year-over-year increase [12][13]. Revenue by Product - Flash product revenue was approximately 1.761billion,showinga3.282.003 billion, reflecting a 14.33% quarter-over-quarter increase and a 54.67% year-over-year increase [15][17]. Business Progress - The SSD business saw a 50% increase in EB growth for new QLC-based client SSD products, with significant performance improvements over previous generations [18][24]. - The HDD segment benefited from strong nearline demand and improved pricing, with the company maintaining a leadership position in SMR technology [18][24]. Q3 Performance Guidance - The company expects Q3 FY2025 revenue to be between 4.0billionand4.2 billion, with a non-GAAP gross margin of 37% to 39% and non-GAAP EPS guidance of 1.55to1.85 [19][28].