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For a Satisfactory dedicated server, start with 8 GB of RAM. Move to 16 GB when the save is large or more than four players will connect. The server benefits from several CPU cores but favors strong single-core performance; the community server guide gives an x86-64 Intel Core i5-3570-or-better or AMD Ryzen 5 3600-or-better as example hardware. Those processor examples are guidance, not a modern benchmark or a guarantee for every factory.
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You can host on a Windows or Linux PC, or rent a virtual or dedicated machine. Home hosting requires a router that can forward the required traffic or a VPN, while a rented host shifts patching, network configuration and backups to a provider. The right specification depends on player count, save size, CPU performance and how much administration you want to do.
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Requirements at a glance
The following figures come from the community-maintained Official Satisfactory Wiki’s dedicated-server documentation. They are recommendations rather than a formal performance guarantee from the developer.
| Resource or condition | Starting guidance | What can change the decision |
|---|---|---|
| Memory | 8 GB RAM baseline | Use 16 GB for a large save or more than four players; leave additional headroom for the operating system and other services. |
| CPU | Multiple cores with strong single-core performance; examples include Intel i5-3570-or-better or AMD Ryzen 5 3600-or-better | Factory complexity, simulation load and the host’s real CPU performance matter more than the number of advertised vCPUs. |
| Architecture | x86-64 | 32-bit x86 and ARM are unsupported. A VPS exposing a kvm64 CPU will not work, according to the server page. |
| Operating system | Windows 10/11, Windows Server 2016/2019/2022, Debian, Ubuntu and similar supported Linux distributions | Check the current installation instructions for the game branch and distribution before deploying. |
| Home connectivity | Port-forwarding capability or a VPN | Router, firewall, ISP and carrier-grade NAT policies can prevent outside players from reaching the server. |
The guide also notes that a server may run on less powerful hardware for a small group or a modest save. Exceeding the minimum, particularly for CPU performance, gives you more room as the factory grows.
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How much RAM does a Satisfactory server need?
8 GB is the practical baseline
An 8 GB allocation is the sensible starting point for a dedicated server. It is not a promise that every save will remain healthy at that size: the server process must share memory with Windows or Linux, background services, logs and any monitoring tools. If the machine has exactly 8 GB installed, the operating system can consume enough of it to leave little safety margin.
When planning a virtual machine, treat “8 GB” as memory assigned to the VM, not as the total RAM in the physical host. The host still needs its own reserve, and a provider may impose memory limits or reclaimable (“burstable”) allocations that behave differently from guaranteed RAM.
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The server documentation says 16 GB may be recommended for larger saves or for hosting more than four players. A large, mature factory contains more machines, belts, vehicles and stored state for the server to simulate and save. Several simultaneous players also increase activity in different parts of the world. Neither condition has a universal cutoff, so use the save’s actual size and your normal peak player count rather than assuming that a particular number of hours played requires an upgrade.
Choose 16 GB when any of these apply:
- The save is established and contains a complex, highly automated factory.
- More than four players are expected during normal sessions.
- The server will run other services, such as a web panel, backup job or monitoring agent.
- Memory usage approaches the machine’s limit during saves or busy sessions.
Do not interpret 16 GB as a measured maximum. The cited figures are community recommendations, and no independent usage study establishes a fixed RAM requirement for every world.
How to tell whether memory is the problem
Watch memory usage while players are connected and during autosaves. Sustained swapping, an operating system that terminates processes, or a server that becomes unresponsive as the save grows points to memory pressure. Before adding RAM, stop unrelated services, verify that the allocation is actually guaranteed and check whether a scheduled backup is running at the same time. If the problem persists, move from 8 GB to 16 GB and retest with the same save and player load.
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CPU requirements: cores, clock speed and architecture
Why single-core performance matters
Satisfactory’s server uses multiple CPU cores, but the documentation specifically favors high single-core performance. That means a CPU with many slow virtual cores is not automatically better than one with fewer, faster cores. Simulation work that cannot be split perfectly across threads can become the limiting factor when a factory is busy, even while overall CPU utilization appears below 100 percent.
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A free scan shows the junk files, broken settings and background clutter dragging Windows down - then fixes them in one click.Free scan · Windows 10 & 11The wiki lists an Intel Core i5-3570-or-better and an AMD Ryzen 5 3600-or-better as examples. These are useful reference points for the class of x86-64 processor intended, not current buying targets or benchmark results. A newer processor with fewer advertised cores can outperform an older server CPU; compare actual generation, sustained frequency, virtualization policy and per-core performance.
Check the architecture before renting a VPS
The dedicated-server page states that 32-bit x86 and ARM are unsupported. It also warns that a virtual machine exposing a kvm64 CPU will not work. A plan’s “four vCPUs” label does not tell you whether the required instruction set and CPU model are exposed. Ask the provider which CPU model or feature set the guest sees, whether the vCPUs are dedicated or shared, and whether CPU overcommit can throttle the instance.
If a provider cannot disclose the exposed architecture, select a service with a documented x86-64 CPU and a clear upgrade path. On a home machine, confirm that the operating system is 64-bit and that hardware virtualization settings have not hidden required CPU features from the server process.
Supported operating systems
The server documentation lists Windows 10 and 11, Windows Server 2016, 2019 and 2022, and Linux distributions such as Debian and Ubuntu. Use a currently supported 64-bit installation and follow the server guide for the exact branch and installation method you intend to run. A distribution being Linux-based does not by itself guarantee that every package, library or service file is correct for your release.
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Windows is often simpler for an owner who already manages a desktop PC, while Linux can be attractive for a small, headless machine that is administered over SSH. In either case, keep the operating system patched, run the server under a restricted account where practical, and make sure the save directory is included in your backup plan.
Home PC hosting: network and administration requirements
Port forwarding or a VPN is required
The dedicated-server guide says home hosting requires the ability to configure port forwarding or a VPN. Port forwarding maps incoming traffic on your public router address to the computer running the server. You must also allow the server through the host firewall and any additional security appliance.
Exact rules depend on the current game version and setup method, so use the live server instructions and the developer’s multiplayer connectivity troubleshooting guidance when creating firewall and router entries. Do not copy a port number from an old forum post without checking that it matches the current documentation.
Common reasons a home server is unreachable
- Carrier-grade NAT: your ISP does not provide an address that accepts inbound connections, so ordinary port forwarding cannot work.
- Double NAT: an ISP gateway and a second router both perform address translation; the rule must be applied correctly on both devices or the extra layer must be bridged.
- Firewall mismatch: the router forwards traffic, but Windows Firewall or a Linux firewall rejects the server process.
- Changing public address: a residential connection may receive a new address, requiring players to use the updated address or a suitable dynamic-DNS arrangement.
- Unstable upload bandwidth: a connection can appear fast for downloads while struggling to serve several players.
A VPN-based arrangement can avoid inbound forwarding, but every player must use the same VPN network and its routing must support the server traffic. It adds another service to administer and can affect latency.
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Backups are part of the requirement
The developer support FAQ recommends keeping save backups. Schedule copies to a different disk or machine, retain several restore points and test that a copy can actually be loaded. A backup job that writes to the same failing drive does not protect the world. Stop or pause the server according to the current instructions before copying files so that a write in progress does not produce an inconsistent save.
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Dedicated-server requirements are not the same as player requirements
Steam’s current Satisfactory listing gives the player game 8 GB of minimum memory and 16 GB of recommended memory. Those numbers describe the client running on each player’s computer. They are not dedicated-server specifications and should not be used to size a server without considering the separate server guidance.
A player may therefore need 16 GB to run the client comfortably while the server uses 8 GB for a small world, or the server may need 16 GB for a mature save even when an individual player’s client fits within 8 GB. Treat the two workloads independently.
Home hosting versus a rented server
A rented VPS or dedicated machine can keep a world available without leaving your gaming PC powered on, but the service is only suitable if its hardware and policies match the workload. Compare the options on operational details, not just advertised RAM.
| Decision factor | Home PC | Rented VPS or dedicated host |
|---|---|---|
| Hardware control | You know the physical CPU, storage and memory, and can upgrade them yourself. | You must verify the exposed x86-64 CPU, guaranteed RAM and storage performance with the provider. |
| Networking | You configure forwarding, firewall rules or a VPN and deal with ISP limitations. | The provider supplies public networking, but may restrict ports, impose traffic policies or place the server far from your players. |
| Administration | You handle operating-system updates, game updates, restarts and security. | You still manage the game and usually the operating system, although a control panel may simplify tasks. |
| Backups | You must create and store your own copies. | Backup frequency, retention and restoration may be included, optional or absent; confirm the policy in writing. |
| Latency and availability | Usually low latency for players near the home connection, but dependent on power and ISP uptime. | Choose a region near the group and check the provider’s uptime practices; a distant or oversubscribed host can add delay. |
| Cost | Uses existing equipment but consumes electricity and may require networking upgrades. | Recurring price varies by guaranteed RAM, CPU quality, storage, region, backups and player limits; no single current price applies. |
Before ordering, ask for the CPU model or performance class, whether 8 or 16 GB is dedicated, the maximum player limit, port and settings access, backup retention, data-center region and cancellation terms. A low price with shared, throttled CPU time can be worse than a more expensive plan with fewer but faster cores.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Choosing a configuration step by step
- Count the real players. Use the highest number likely to be online together, not the number in the group chat.
- Classify the save. A new or lightly built world can begin at the 8 GB baseline; a mature, complex save should be planned around 16 GB.
- Identify the CPU. Confirm 64-bit x86-64 support, strong per-core performance and several usable cores. For a VPS, reject a
kvm64exposure and ask what CPU the guest actually sees. - Select the operating system. Use a listed Windows version or a supported 64-bit Debian/Ubuntu-style Linux installation, then follow the current server setup guide.
- Plan storage and backups. Keep free disk space for saves, logs and multiple backup generations; store copies outside the server’s primary disk.
- Validate connectivity. For home hosting, test forwarding, firewall rules and external reachability from a network that is not your own LAN. For a rented host, confirm that required ports and settings are available.
- Measure before upgrading. Observe memory, per-core CPU load, save times and disconnects during the busiest normal session. Upgrade the constrained resource rather than adding vCPUs blindly.
Practical sizing examples
| Use case | Starting configuration | Reasoning |
|---|---|---|
| One to four players, new or modest save | 8 GB RAM; modern 64-bit x86-64 CPU with good single-core performance | Matches the community baseline while leaving room to observe actual usage. |
| Five or more regular players | 16 GB RAM; faster multi-core CPU preferred | The guide specifically identifies more than four players as a case where 16 GB may be recommended. |
| Large, mature factory | 16 GB RAM or more if monitoring shows pressure; strong per-core CPU | Save complexity can increase simulation and memory demand independently of player count. |
| Headless rented VPS | Guaranteed 8 or 16 GB, documented x86-64 CPU, required ports and backups | vCPU count alone does not establish compatibility or performance. |
Troubleshooting by symptom
The server will not start
Check that the operating system and installation are 64-bit x86-64, not ARM or 32-bit x86. On a VPS, inspect the guest CPU model and replace any instance exposing kvm64. Then verify that the installed server files match the current setup instructions and that the account running the service can read and write the save directory.
Players cannot connect from outside the home
Confirm the server is listening locally, the host firewall permits it, the router forwards the documented traffic to the correct internal address and the ISP is not using carrier-grade NAT. If the public address changes, update the address players use. A VPN can be an alternative when forwarding is impossible.
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Measure per-core CPU utilization rather than only total utilization, and watch memory during saves. A saturated main thread points toward faster CPU performance; swapping or exhausted memory points toward a RAM upgrade. Reduce competing workloads and verify that backups are not running at the busiest moment.
The world is lost after a crash
Restore the most recent known-good copy and review the backup schedule. Keep several generations and at least one copy on separate storage; otherwise a corrupted save or failed disk can remove every available version.
Console and PC access
Dedicated servers are supported, but console players cannot join them. The developer FAQ explains: “No, to ensure that console players can rely on a stable, consistent factory experience, we decided to keep the two ecosystems (Console and PC) separate.” Plan a dedicated server for PC players using the supported PC ecosystem; do not rent hardware expecting it to bridge console and PC sessions.
The same FAQ directs readers to the community-maintained Satisfactory Wiki for setup information, describing it as updated by the community and containing extensive dedicated-server guidance. Use that documentation together with the developer’s current support articles because ports, installation steps and game branches can change.
Bottom line for a Satisfactory server
Build around 8 GB RAM for a small group and 16 GB for a large save or more than four players. Prioritize a documented 64-bit x86-64 CPU with strong single-core performance over a high vCPU count, avoid the unsupported kvm64 VPS CPU exposure, and choose a listed Windows or Linux operating system. Home hosting is viable only when you can provide reliable forwarding or a VPN, firewall access, power and backups. A rented host is worthwhile when you need persistent availability, provided its CPU, memory, ports, region and backup policy are explicit.
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