# Create TiDB Cluster - Creating `Dedicated Tier` Cluster
 ![`smart`](ConfigureClusterSize_aa_001_20230530.png)
-------------------------------------------------------------
+ Configure the cluster size for TiDB, TiKV, and TiFlash (optional) respectively.
+ Size TiDB
  + The supported TiDB node sizes include the following:
    + 2 vCPU, 8 GiB (Beta)
    + 4 vCPU, 16 GiB
    + 8 vCPU, 16 GiB
    + 16 vCPU, 32 GiB

+ Size TiKV
  + The supported TiKV node sizes include the following:
    + 2 vCPU, 8 GiB (Beta)
    + 4 vCPU, 16 GiB
    + 8 vCPU, 32 GiB
    + 8 vCPU, 64 GiB
    + 16 vCPU, 64 GiB
  + The number of TiKV nodes should be at least 1 set (3 nodes in 3 different Available Zones).

+ Size TiFlash
  + The supported TiFlash node sizes include the following:
    + 8 vCPU, 64 GiB
    + 16 vCPU, 128 GiB