# 变更ECS规格（vCPU和内存）
[变更ECS规格概述](https://support.huaweicloud.com/usermanual-ecs/ecs_03_9005.html)
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[变更单台ECS规格](https://support.huaweicloud.com/usermanual-ecs/zh-cn_topic_0013771092.html)
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[批量变更多台ECS规格](https://support.huaweicloud.com/usermanual-ecs/ecs_03_3101.html)
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[通过性能助手变更ECS规格](https://support.huaweicloud.com/usermanual-ecs/ecs_03_2101.html)
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[变更ECS至Flexus X实例](https://support.huaweicloud.com/usermanual-ecs/ecs_03_4101.html)
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[XEN实例变更为KVM实例（Windows）](https://support.huaweicloud.com/usermanual-ecs/ecs_03_0161.html)
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[XEN实例变更为KVM实例（Linux-自动配置）](https://support.huaweicloud.com/usermanual-ecs/ecs_03_0162.html)
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[XEN实例变更为KVM实例（Linux-手动配置）](https://support.huaweicloud.com/usermanual-ecs/ecs_03_0163.html)
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[XEN实例变更为KVM实例（Linux-批量自动配置）](https://support.huaweicloud.com/usermanual-ecs/ecs_03_0187.html)
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[KVM实例变更为QingTian实例（Windows）](https://support.huaweicloud.com/usermanual-ecs/ecs_03_0178.html)
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[KVM实例变更为QingTian实例（Linux）](https://support.huaweicloud.com/usermanual-ecs/ecs_03_0179.html)
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[QingTian实例变更为KVM实例（Windows）](https://support.huaweicloud.com/usermanual-ecs/ecs_03_1179.html)
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