Investing.com -- Amazon.com Inc (NASDAQ:AMZN) is fundamentally altering its hardware procurement playbook, agreeing to purchase billions of dollars in Nvidia Corp. graphics processors before its data centers are equipped with the power to run them. According to internal August emails obtained by Business Insider, the cloud giant established a new "Early Rack Receipt" program to take delivery of roughly $5 billion in Nvidia GB300 server racks at U.S. facilities ahead of final deployment, with exp