Independent testing Updated April 2026 387 self-hosting guides 5 VPS providers tested

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Rocket.Chat VPS Requirements: RAM, CPU & Storage Guide

Discover the VPS requirements for Rocket.Chat: recommended RAM, CPU, and storage, plus sizing tips to run Rocket.Chat smoothly on your own server in 2026.

Rocket.Chat VPS Requirements: RAM, CPU & Storage Guide

Rocket.Chat is an open-source team collaboration platform that allows users to communicate in real-time. If you are planning to self-host your Rocket.Chat instance, understanding the server requirements is crucial for optimal performance. This guide dives into the essential specifications for RAM, CPU, and storage when setting up your Rocket.Chat server on a Virtual Private Server (VPS).

Before we delve into the specifications, letโ€™s clarify the minimum and recommended VPS requirements for running Rocket.Chat effectively:

SpecificationMinimum RequirementRecommended Requirement
RAM2 GB4 GB or more
CPU1 Core2 Cores or more
Storage20 GB SSD40 GB SSD or more
Network1 Gbps1 Gbps or better

Minimum Requirement: A VPS meeting these specifications will run Rocket.Chat but may struggle under load or with many concurrent users.

Recommended Requirement: Having a server that meets or exceeds these specifications will ensure smoother performance and a better user experience.

RAM Requirements for Rocket.Chat

Minimum RAM: To run Rocket.Chat, the absolute minimum amount of RAM you would need is 2 GB. This setup may suffice for a small team, but as your user base grows, you will likely encounter performance issues.

Recommended RAM: For a better experience, especially if your team is expected to grow or if you anticipate multiple simultaneous users, a minimum of 4 GB RAM is recommended. This ensures enough memory to handle peak loads without degradation in performance.

CPU Specifications

Minimum CPU: At least 1 CPU core is required to host a basic instance of Rocket.Chat. A single core can run the server; however, be cautious about performance during high traffic volumes.

Recommended CPU: Ideally, you should opt for at least 2 CPU cores. This helps manage multiple connections more effectively and allows for quicker processing of real-time events and notifications.

Storage Considerations

Minimum Storage: Youโ€™ll need at least 20 GB of SSD storage for a basic installation of Rocket.Chat. This should accommodate the application and initial data needs; however, as you add users, files, and other data, you might quickly outgrow this space.

Recommended Storage: A minimum of 40 GB of SSD storage is advisable for production environments. It provides more flexibility for user-generated content, extended history, and additional apps you might want to integrate in the future.

Additional Considerations

When self-hosting Rocket.Chat on a VPS, also consider the following:

Choosing the Right VPS Provider

Selecting a VPS provider that meets your needs and budget is crucial. Here is a comparison of some top VPS providers suitable for hosting Rocket.Chat:

ProviderPrice (Monthly)RAMCPU CoresStorage
Contabo VPSโ‚ฌ5.994 GB2100 GB SSD
Hetzner Cloudโ‚ฌ4.154 GB220 GB SSD
DigitalOcean$64 GB280 GB SSD
Vultr$64 GB280 GB SSD
Linode (Akamai Cloud)$54 GB280 GB SSD

For the best value and performance, Contabo offers extensive storage and RAM at a low cost, making it an excellent choice. You can find full VPS comparison details at /en/best/.

FAQs

1. Can Rocket.Chat work with less than 2 GB of RAM?

Running Rocket.Chat on a server with less than 2 GB of RAM is generally not advisable. While you might get it to start, users will likely experience slow performance, especially during peak usage. To ensure a functional and reliable service, sticking to the minimum requirement of 2 GB is critical, and for larger teams, 4 GB or more is ideal for optimal performance.

2. Is SSD storage necessary for Rocket.Chat?

Using SSD storage is strongly recommended for Rocket.Chat. SSDs offer significantly faster read and write speeds compared to traditional HDDs, which can greatly enhance the applicationโ€™s performance, especially during high-load scenarios. Faster storage reduces latency in data retrieval, improving the overall user experience, and ensuring efficient handling of messages and files exchanged during chats.

3. How do I monitor Rocket.Chat server performance?

Monitoring your Rocket.Chat server can be done using various tools like Grafana, Prometheus, or monitoring services provided by your VPS vendor. Key metrics to focus on include CPU usage, memory consumption, and disk I/O rates. Keeping track of these metrics will help you identify potential issues before they impact users and allow for timely upgrades or optimizations.

By following this guide and adhering to the recommended specifications, you can ensure a stable, efficient, and scalable Rocket.Chat installation on your VPS.