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Virtualization delivers strong efficiency by consolidating workloads onto fewer physical servers and centralizing management. Because you can run multiple virtual machines on one server, you cut hardware costs, lower power and cooling needs, and streamline administration through centralized tools and templates. This combination reduces the total cost of ownership, which is the main value virtualization provides.

While it’s possible to encounter some extra complexity from managing virtual environments, the overall impact is often simpler and more scalable than maintaining many separate physical servers. In contrast, the other options describe outcomes that aren’t benefits of virtualization: it tends to reduce power usage rather than increase it, and it enables faster, not longer, deployment through quick provisioning of virtual machines. Longer deployment times aren’t a goal or expected benefit of virtualization.