What is the primary benefit of using a KVM switch in a datacenter?

Using a KVM (Keyboard, Video, Mouse) switch in a datacenter primarily allows for simultaneous control of multiple servers. This is particularly beneficial in environments where many servers need to be managed from a single workstation. Instead of needing individual keyboards, monitors, and mice for each server, a KVM switch consolidates control to one set of input/output devices.

This setup not only saves physical space by reducing the amount of hardware required, but it also streamlines server management and reduces complexity for administrators. With a KVM switch, users can easily switch between different servers, making it efficient to monitor and manage operations without the need for physically moving between different systems. This ability enhances operational efficiency and responsiveness, especially in high-demand environments like datacenters.

The other options, while related to server management, do not capture the primary purpose of a KVM switch as effectively as simultaneous control does. For instance, while KVMs can facilitate remote access through certain models, that is not their primary benefit when discussing direct control. Similarly, KVM switches do not increase network bandwidth nor store server configurations, which are functions better suited for network management tools and server management software.