Help Center> Document Database Service> Service Overview> Instances> DB Engines and Versions

Updated on 2023-08-29 GMT+08:00

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DB Engines and Versions

DDS supports versions 3.4, 4.0, 4.2, and 4.4, and you need to use a driver compatible with MongoDB 3.0 or later to access DDS. You can select the DB engine and version you need based on your service requirements.

**Table 1** Supported DB engines and versions
Compatibility	CPU Type	DB Instance Type	Storage Engine
4.4	x86	Cluster Replica set	RocksDB
4.2	x86	Cluster Replica set	RocksDB
4.0	x86 Kunpeng	Cluster Replica set	WiredTiger
3.4	x86 Kunpeng	Cluster Replica set	WiredTiger

For details about the compatibility between DDS and MongoDB Community Editions, see Versions.

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