Western Digital vs. Seagate: Best AI Stock to Buy After Earnings

Both Western Digital and Seagate reported strong Q1 2027 earnings driven by AI infrastructure demand, with revenue growth of 55% and 61% respectively. However, Seagate appears more attractive with a higher ROE of 386.9% versus Western Digital's 57.9%, and a lower forward P/E ratio of 19.01 compared to 19.37, making it the better buy.