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Set 'Games' MMCSS storage-I/O priority to High

CPU & PowerModerate riskReversible

Sets SFIO Priority = High on the 'Games' MMCSS task. SFIO (Scheduled File I/O) priority governs how aggressively the task's disk reads are serviced — High reduces asset-streaming stalls in open-world / texture-streaming titles that share the disk with background I/O. Pairs with the other Games MMCSS tweaks. Reversible; auto-snapshots the prior value.

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MaxTweaks applies this tweak with one click and snapshots your original setting first, so you can revert it cleanly at any time. A System Restore point is offered before batch changes, and every tweak links to its official source.

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Official documentation: https://learn.microsoft.com/en-us/windows/win32/procthread/multimedia-class-scheduler-service

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