| Resource | Limit |
|---|---|
| Cache size | 530 GB (contact us for more) |
| Databases | 64 |
| Max connected clients | 40,000 |
| Redis Cache replicas (for high availability) | 1 |
| Shards in a premium cache with clustering | 10 |
Azure Redis Cache limits and sizes are different for each pricing tier. To see the pricing tiers and their associated sizes, see Azure Redis Cache Pricing.
For more information on Azure Redis Cache configuration limits, see Default Redis server configuration.
Because configuration and management of Azure Redis Cache instances is done by Microsoft, not all Redis commands are supported in Azure Redis Cache. For more information, see [Redis commands not supported in Azure Redis Cache]((redis-cache/cache-configure.md#redis-commands-not-supported-in-azure-redis-cache).