RC: New Flex billing unit

content/embeds/rc-pro-billing-units.md

@@ -1,4 +1,4 @@
-The Redis Billing Unit types associated with your Pro subscription depend on your database memory size and throughput requirements.  
+The Redis Billing Unit types associated with your Pro subscription depend on your database memory size and throughput requirements.
 
 | Billing unit type | Capacity (Memory/Throughput) |
 |:------------|:----------|
@@ -10,9 +10,16 @@ The Redis Billing Unit types associated with your Pro subscription depend on you
 | Large | 25GB  / 25K ops/sec |
 | Very large<sup>[1](#table-note-1)</sup> | 50GB / 5K ops/sec |
 | XLarge<sup>[2](#table-note-2)</sup> | 50GB / 10K ops/sec |
+| Flex-10<sup>[3](#table-note-3)</sup> | 50GB / 5K ops/sec |
+| Flex-20<sup>[3](#table-note-3)</sup> | 50GB / 10K ops/sec |
+| Flex-30<sup>[3](#table-note-3)</sup> | 50GB / 15K ops/sec |
+| Flex-40<sup>[3](#table-note-3)</sup> | 50GB / 20K ops/sec |
+| Flex-50<sup>[3](#table-note-3)</sup> | 50GB / 25K ops/sec |
 
 1. <a name="table-note-1" style="display: block; height: 80px; margin-top: -80px;"></a>Used for databases with Auto Tiering before Redis 7.2.
 
-2. <a name="table-note-2" style="display: block; height: 80px; margin-top: -80px;"></a>Used for hosted databases with Auto Tiering for Redis 7.2 and later.
+2. <a name="table-note-2" style="display: block; height: 80px; margin-top: -80px;"></a>Used for hosted databases with Auto Tiering between Redis 7.2 and Redis 8.2. 
+
+3. <a name="table-note-3" style="display: block; height: 80px; margin-top: -80px;"></a>Used for Redis Flex databases for Redis 8.2 or later. Available Flex billing units depend on the RAM percentage you set for your database.
 
 Prices vary according to the cloud provider and region.  Minimum prices apply.

content/operate/rc/databases/create-database/create-flex-database.md

@@ -103,8 +103,12 @@ In the **Advanced options** of the **Setup** tab, select **Redis Flex**.
 
 {{<image filename="images/rc/pro-flex-on.png" width="75%" alt="The Flex setting selected." >}}
 
-During the **Sizing** step, when you are provisioning your databases, you can select the RAM percentage for your database. The default is 20%, but you can select a percentage between 10% and 50%. Lower RAM percentages reduce cost but may increase latency, while higher RAM percentages improve throughput and latency at higher cost.
+During the **Sizing** step, when you are provisioning your databases, you can select the RAM percentage for your database. The default is 20%, but you can select a percentage between 10% and 50%. Lower RAM percentages reduce cost but may increase latency, while higher RAM percentages improve throughput and latency at higher cost. See [Choosing the right RAM ratio](https://support.redislabs.com/hc/en-us/articles/36437338181522-Redis-Flex-V2-Choosing-the-Right-RAM-Ratio-and-Troubleshooting-Performance) to choose the right RAM percentage for your database.
 
 {{<image filename="images/rc/pro-flex-ram-percentage.png" width="75%" alt="The RAM percentage setting." >}}
 
-Continue with the instructions to [create your database]({{< relref "/operate/rc/databases/create-database/create-pro-database-new#custom-settings" >}}).
+Continue with the instructions to [create your database]({{< relref "/operate/rc/databases/create-database/create-pro-database-new#custom-settings" >}}).
+
+## Troubleshooting
+
+See [Troubleshooting Redis Flex performance questions](https://support.redislabs.com/hc/en-us/articles/36437338181522-Redis-Flex-V2-Choosing-the-Right-RAM-Ratio-and-Troubleshooting-Performance#h_01KV6F382KNM8N0W00DFEHPY3S) on the Redis Support knowledge base to learn how to troubleshoot Redis Flex databases.