:original_name: dds_01_0024.html .. _dds_01_0024: DB Instance Specifications ========================== DB instance specifications are listed in the following table. .. note:: DB instance specifications vary depending on the actual environment. Cluster ------- For details about the cluster instance specifications, see :ref:`Table 1 ` and :ref:`Table 2 `. .. _dds_01_0024__table147993911564: .. table:: **Table 1** config specifications =============== =========== ========================== Number of vCPUs Memory (GB) Max. Number of Connections =============== =========== ========================== 2 4 1000 =============== =========== ========================== .. _dds_01_0024__table196721422132317: .. table:: **Table 2** shard and mongos specifications =============== =========== ========================== Number of vCPUs Memory (GB) Max. Number of Connections =============== =========== ========================== 1 4 400 2 8 400 4 16 1000 8 32 4000 16 64 8000 =============== =========== ========================== Replica Set ----------- The supported replica set specifications are the same as those of shard and mongos nodes. For details, see :ref:`Table 2 `.