The Ultimate Performance power plan is a preset power plan engineered for high-power systems to give an extra boost in performance. What is Ultimate Performance Power Plan in Windows? Windows has a fourth power plan for such users: the Ultimate Performance Power plan. Between Balanced, Power Saver, and High Performance power plans, the needs of most users are met.īut some users need every ounce of performance their system can deliver, and they feel even the High Performance plan falls short. If you’ve ever paid attention to power plans in Windows, and if you’re here, you must have, you know that Windows generally has three power plans (for most systems). Give your system’s performance a boost with this power plan.