Architecture
You can see the features for all Hazelcast IMDG editions in the following architecture diagram.

| You can see small "HD" boxes for some features in the above diagram. Those features can use High-Density (HD) Memory Store when it is available. It means if you have Hazelcast IMDG Enterprise HD, you can use those features with HD Memory Store. |
For more information on Hazelcast IMDG’s Architecture, see the white paper An Architect’s View of Hazelcast.