But Seagate and Western Digital are among the least sexy companies swept up in the AI euphoria. Hard disk drives trace their origins to the 1950s, when they stored five megabytes of data and weighed more than 2,000 pounds. Today, personal computers have hard drives with up to two terabytes of storage and that weigh around 1.5 pounds or less. And the companies that make them are focused on developing storage solutions that have become critical in training large language models, which requires massive amounts ...