Amazon.com Inc. warned investors that it could face capacity constraints in its cloud computing division despite plans to invest some $100 billion this year, with most of the money going toward data centers,

CEO Jassy said the supply of chips — from third parties and Amazon’s own chip design unit — and power capacity are limiting the ability of Amazon Web Services to bring new data centers online.

In a conference call, Amazon warned investors that it could face capacity constraints in its cloud computing division despite plans to invest some $100 billion this year, with most of the money going toward data centers,