Blogg·Game servers

FiveM Server Requirements: RAM, CPU, License Key and Setup

Running a **FiveM server** for GTA V roleplay is mostly about preparation: a license key, the right build, a clean resource list and a CPU that keeps up. Here is the checklist.

What you need before you start

  • A free Cfx.re license key from the Cfx.re Keymaster.
  • The server artifact (the server build) and a server.cfg with your name, slots and resources.
  • A MySQL or MariaDB database if your framework stores characters and inventories.
  • A hosting plan with enough RAM and CPU for your slot count and resources.

How much RAM does a FiveM server use?

Small servers can start around 4 GB. Roleplay servers with many resources and 64 or more slots usually run better on 8-16 GB. Memory use follows your resource list more than your player count, so start modestly, watch the console and scale up.

CPU is the bottleneck people forget

FiveM scripts and OneSync are sensitive to single-core speed. Adding RAM will not fix slow ticks if the CPU is the limit. Choose a plan with fast cores and headroom rather than the smallest option that fits.

ESX, QBCore and your resources

Popular frameworks such as ESX and QBCore ship as resources you place in the resources folder and start from server.cfg. Add resources a few at a time so you can tell which one causes a problem, and remove anything you do not use.

Security and administration

  • Use sub-users so staff manage the server without your password.
  • Keep daily backups of your files and database.
  • Choose a host with DDoS protection, since public roleplay servers attract attacks.

Ready to host

See our FiveM server hosting page for plans, RAM guidance and a FAQ, built on fast Ryzen 9 cores with NVMe storage in Frankfurt.

Most laggy FiveM servers are not short on RAM. They are running too many resources on too slow a CPU.

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