> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.skynode.pro/sitemap.xml
> Use this file to discover available pages before exploring further.
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# Billing | How to Upgrade/Downgrade the Memory and Slots on your Terraria Server

# Billing | How to Upgrade the Memory and Slots on your Terraria Server

||| You will not be able to proceed if you have an unpaid invoice

1. Go to [https://billing.skynode.pro/clientarea.php](https://billing.skynode.pro/clientarea.php)

2. Select your Terraria Server

3. Click Upgrade/Downgrade Options

![Upgrade/Downgrade Options](https://storage.crisp.chat/users/helpdesk/website/96b07f66ef6ab800/image_1yhq5pw.png)

4. On the Player Slots Tab

![New Configurations](https://storage.crisp.chat/users/helpdesk/website/96b07f66ef6ab800/image_jmtitr.png)

5.  Slots and their Ram

12 slots = 2 GB
16 slots = 2.5 GB
24 slots = 3 GB
32 slots = 3.5 GB
48 slots = 4 GB
64 slots = 5 GB (Required for Calamity Mod)

6. Once you are done, just complete the payment at check out and your server will be upgraded or downgraded automatically.

**All done! You've Successfully Upgraded/Downgraded your Terraria Server**