Rack and stack refers to physically installing IT hardware like servers, switches, routers, and storage devices into racks within a data center environment. The term breaks down into two distinct phases: “racking” involves assembling and mounting servers, switches, storage devices, and networking equipment into. Rack and stack is a term used to describe the process of physically installing and configuring IT equipment in racks. It's widely used within data centers, and it's a key part of what we do for our new customers.