Server rack size – also known as cabinet size – refers to the total size of the racks that house servers in a data center or other hosting facility. Rack size is important because it determines how many servers you can fit inside each rack, as well as which types of servers the rack can accommodate.
The bottom line here is that while server racks designed to accommodate 42 servers are the most common type of rack you'll find in data centers today, there is really nothing approaching a true standard or norm for exact rack dimensions. Given the wide variation in server rack sizes, how do you decide which rack size is best for your needs?
Server racks come in a variety of sizes and configurations, ranging from small desktop units to large floor-standing models. In this article, we will cover the different types of rack, and how to find the right rack for your needs. There are several types of server racks available, each with its own unique design and features.
Custom server racks are non-standard enclosures built to meet specialized needs beyond typical 12U-48U sizing and standard 19" width. IT teams can customize the following features of a rack: Height, width, and depth (e.g., to fit unusual equipment or tight spaces). Form factor (e.g., wall-mounted, open-frame, mobile, or enclosed).
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