All Products
Search

This Product

    ApsaraDB for MyBase:Instance types

    Document Center

    ApsaraDB for MyBase:Instance types

    Last Updated:Mar 28, 2026

    This page lists instance types and their specifications for ApsaraDB MyBase for MySQL primary instances.

    Not all instance types listed here may be available. Check the buy page to see which types are available before you create an instance.

    Choose an edition and storage type

    ApsaraDB MyBase for MySQL offers two editions, each supporting one or two storage types. Use the following table to identify which section applies to your configuration before selecting a specific instance type.

    EditionStorage typeInstance type prefixCPU coresMax connections
    High-availability EditionEnhanced SSDmysql.z2–1041,200–120,000
    High-availability EditionLocal SSDmysql.z2–641,200–80,000
    Master-replica EditionEnhanced SSDmysql.g1–104600–120,000

    Instance type naming conventions

    MyBase instance type codes encode key specifications:

    Code segmentMeaningExample
    zHigh-availability Edition with enhanced or local SSDsmysql.z2.medium.2c
    gMaster-replica Edition with enhanced SSDsmysql.g4.large.1c
    2 / 4 / 8 (after z or g)Memory-to-CPU ratioz2, z4, z8
    medium / large / xlarge / 2xlarge …Size class (number of CPU cores)medium = 2 cores, xlarge = 8 cores
    .2c suffixEnhanced SSD storage (High-availability Edition)mysql.z4.xlarge.2c
    .2 suffixLocal SSD storage (High-availability Edition)mysql.z4.xlarge.2
    .1c suffixEnhanced SSD storage (Master-replica Edition)mysql.g4.xlarge.1c

    High-availability Edition with enhanced SSDs

    Instance types follow the naming pattern mysql.z{ratio}.{size}.2c. The z prefix indicates the High-availability Edition. The {ratio} segment (2, 4, or 8) reflects the memory-to-CPU ratio, and {size} is the instance size class.

    Instance typeCPU and memory specificationsMaximum number of connections
    mysql.z2.medium.2c2 CPU cores, 4 GB memory1,200
    mysql.z4.medium.2c2 CPU cores, 8 GB memory2,000
    mysql.z8.medium.2c2 CPU cores, 16 GB memory2,500
    mysql.z2.large.2c4 CPU cores, 8 GB memory2,000
    mysql.z4.large.2c4 CPU cores, 16 GB memory2,500
    mysql.z8.large.2c4 CPU cores, 32 GB memory5,000
    mysql.z2.xlarge.2c8 CPU cores, 16 GB memory2,500
    mysql.z4.xlarge.2c8 CPU cores, 32 GB memory5,000
    mysql.z8.xlarge.2c8 CPU cores, 64 GB memory10,000
    mysql.z2.2xlarge.2c16 CPU cores, 32 GB memory5,000
    mysql.z4.2xlarge.2c16 CPU cores, 64 GB memory10,000
    mysql.z8.2xlarge.2c16 CPU cores, 128 GB memory20,000
    mysql.z2.4xlarge.2c32 CPU cores, 64 GB memory10,000
    mysql.z4.4xlarge.2c32 CPU cores, 128 GB memory20,000
    mysql.z8.4xlarge.2c32 CPU cores, 256 GB memory40,000
    mysql.z2.8xlarge.2c64 CPU cores, 128 GB memory20,000
    mysql.z4.8xlarge.2c64 CPU cores, 256 GB memory40,000
    mysql.z8.8xlarge.2c64 CPU cores, 512 GB memory80,000
    mysql.z2.13xlarge.2c104 CPU cores, 192 GB memory30,000
    mysql.z4.13xlarge.2c104 CPU cores, 384 GB memory60,000
    mysql.z8.13xlarge.2c104 CPU cores, 768 GB memory120,000

    High-availability Edition with local SSDs

    Instance types follow the naming pattern mysql.z{ratio}.{size}.2. The .2 suffix (without a trailing c) indicates local SSD storage. This configuration tops out at 64 cores and 512 GB memory.

    Instance typeCPU and memory specificationsMaximum number of connections
    mysql.z2.medium.22 CPU cores, 4 GB memory1,200
    mysql.z4.medium.22 CPU cores, 8 GB memory2,000
    mysql.z8.medium.22 CPU cores, 16 GB memory2,500
    mysql.z2.large.24 CPU cores, 8 GB memory2,000
    mysql.z4.large.24 CPU cores, 16 GB memory2,500
    mysql.z8.large.24 CPU cores, 32 GB memory5,000
    mysql.z2.xlarge.28 CPU cores, 16 GB memory2,500
    mysql.z4.xlarge.28 CPU cores, 32 GB memory5,000
    mysql.z8.xlarge.28 CPU cores, 64 GB memory10,000
    mysql.z2.2xlarge.216 CPU cores, 32 GB memory5,000
    mysql.z4.2xlarge.216 CPU cores, 64 GB memory10,000
    mysql.z8.2xlarge.216 CPU cores, 128 GB memory20,000
    mysql.z2.4xlarge.232 CPU cores, 64 GB memory10,000
    mysql.z4.4xlarge.232 CPU cores, 128 GB memory20,000
    mysql.z8.4xlarge.232 CPU cores, 256 GB memory40,000
    mysql.z2.8xlarge.264 CPU cores, 128 GB memory20,000
    mysql.z4.8xlarge.264 CPU cores, 256 GB memory40,000
    mysql.z8.8xlarge.264 CPU cores, 512 GB memory80,000

    Master-replica Edition with enhanced SSDs

    Instance types follow the naming pattern mysql.g{ratio}.{size}.1c. The g prefix indicates the Master-replica Edition. This edition includes a small size class (1 core, 2 GB) that the High-availability Edition does not offer.

    Instance typeCPU and memory specificationsMaximum number of connections
    mysql.g2.small.1c1 CPU core, 2 GB memory600
    mysql.g2.medium.1c2 CPU cores, 4 GB memory1,200
    mysql.g4.medium.1c2 CPU cores, 8 GB memory2,000
    mysql.g8.medium.1c2 CPU cores, 16 GB memory2,500
    mysql.g2.large.1c4 CPU cores, 8 GB memory2,000
    mysql.g4.large.1c4 CPU cores, 16 GB memory2,500
    mysql.g8.large.1c4 CPU cores, 32 GB memory5,000
    mysql.g2.xlarge.1c8 CPU cores, 16 GB memory2,500
    mysql.g4.xlarge.1c8 CPU cores, 32 GB memory5,000
    mysql.g8.xlarge.1c8 CPU cores, 64 GB memory10,000
    mysql.g2.2xlarge.1c16 CPU cores, 32 GB memory5,000
    mysql.g4.2xlarge.1c16 CPU cores, 64 GB memory10,000
    mysql.g8.2xlarge.1c16 CPU cores, 128 GB memory20,000
    mysql.g2.4xlarge.1c32 CPU cores, 64 GB memory10,000
    mysql.g4.4xlarge.1c32 CPU cores, 128 GB memory20,000
    mysql.g8.4xlarge.1c32 CPU cores, 256 GB memory40,000
    mysql.g2.8xlarge.1c64 CPU cores, 128 GB memory20,000
    mysql.g4.8xlarge.1c64 CPU cores, 256 GB memory40,000
    mysql.g8.8xlarge.1c64 CPU cores, 512 GB memory80,000
    mysql.g2.13xlarge.1c104 CPU cores, 192 GB memory30,000
    mysql.g4.13xlarge.1c104 CPU cores, 384 GB memory60,000
    mysql.g8.13xlarge.1c104 CPU cores, 768 GB memory120,000