SQL Server instance specifications involve the performance types, CPU, and memory specifications for different performance requirements. You can choose as needed. After a DB instance is created, its CPU and memory specifications can still be changed based on your business needs.

² Note:

After a DB instance is created, only the CPU and memory specifications can be changed, not for the performance type. Therefore, please confirm your needs before instance creation.

Specifications	Description	Application Scenario
General-purpose	CPU resources are shared with other general-purpose instances on the same physical machine. The vCPU performance, balance computing, memory, and network resources are of general level. This specification features high cost-effectiveness and supports general business.	Suitable for scenarios where vCPU resources are not of intensive use, such as small sites, light-weighted development and test environments, and small databases.
Computing-plus	CPU resources are dedicated to each instance on the physical machine without resource over-allocation. The brand new network acceleration engine is also used to achieve highly-stable performance close to physical machines. Higher CPU and memory specifications are supported.	Suitable for computing-intensive scenarios such as large sites and e-commerce marketing.
Memory-optimized	CPU resources are dedicated to each instance on the physical machine without resource over-allocation. The brand new network acceleration engine is also used to achieve highly-stable performance close to physical machines. The CPU:memory ratio can reach 1:8.	Suitable for high-memory computing applications, such as big data analytics and core databases.

Specifications

The following table describes performance type and specifications supported by Stand-alone and Active/Standby SQL Server instances, in CPU and memory.

Instance Type	Database Version	Category	CPU	Memory
Stand-alone	2014 Standard Edition, 2016 Standard Edition, and 2022 Standard Edition	General-purpose Memory-optimized	4	8
			8	16
			16	32
		Computing-plus	2	8
			4	16
			8	32
			16	64
		Memory-optimized	2	16
			4	32
			8	64
			16	128
	2014 Enterprise Edition, 2016 Enterprise Edition, and 2022 Enterprise Edition	General-purpose	4	8
		General-purpose	16	32
		Computing-plus	2	8
			4	16
			8	32
			16	64
			32	128
			64	256
		Memory-optimized	2	16
			4	32
			8	64
			16	128
			24	192
			32	256
			64	512
Active/Standby	2014 Standard Edition and 2016 Standard Edition	General-purpose	4	8
			8	16
			16	32
		Computing-plus	2	8
			4	16
			8	32
			16	64
		Memory-optimized	2	16
			4	32
			8	64
			16	128
	2014 Enterprise Edition, 2016 Enterprise Edition, and 2022 Enterprise Edition	General-purpose	4	8
		Computing-plus	2	8
			4	16
			8	32
			16	64
			32	128
			64	256
		Memory-optimized	2	16
			4	32
			8	64
			16	128
			24	192
			32	256
			64	512

Category

Specifications

Relational Database SQL Server