Super Micro’s AI boom leans heavily on one giant customer

One data center client drove 44% of Super Micro Computer's first-quarter revenue as sales hit $19.9 billion and guidance moved higher Super Micro Computer just posted a quarter that looks like a typo, but isn’t. Net sales for the first quarter of fiscal 2027 came in at $19.9 billion, up from $5.0 billion a year earlier. The more interesting number is smaller. A single data center customer accounted for 44% of that revenue, up from 28% across all of fiscal 2026. Super Micro’s AI story is booming, and a growing share of it is being written by one buyer. A quarter that blew past the company’s own forecast The results, announced on November 3, 2026, topped what Super Micro itself had expected. The sequential jump is striking too. Sales rose to $19.9 billion from $11.1 billion in the fourth quarter of fiscal 2026. Profit followed the top line. GAAP net income reached $1.594 billion, which works out to diluted earnings of $1.75 per share. Management credited surging demand for AI-driven data center gear. CFO Mark Long pointed to a shift toward a customer base built around large-scale deployers. Those are the companies building enormous clusters of servers to train and run AI models. Guid...