Dell Technologies Inc. is in advanced stages of securing a deal worth more than $5 billion to provide Elon Musk’s xAI with servers optimized for artificial intelligence work.The company will sell servers containing Nvidia Corp. GB200 semiconductors to Musk’s AI startup for delivery this year, according to people familiar with the matter, who asked to not to be named because the work is private. Some details are being finalized and still may change, some of the people added....