For a small, lightly modded 7 Days to Die dedicated server, plan for about 6 GB of free RAM and a 15 GB SSD as a community starting point. For four or more players or a modded world, 10–16 GB of RAM and at least 25 GB of SSD space is a more comfortable target. Those figures are planning estimates, not guarantees. Actual use changes with player count, world settings, mods, background services and whether the same computer is also running the game client.
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The official Windows client specification is not a dedicated-server sizing chart. The 7 Days to Die Help Center says a dedicated server requires more RAM and heavier CPU use, while Steam warns that running the client and a dedicated server on one computer will double RAM requirements. That distinction is the key to choosing between a spare machine, a gaming PC and managed hosting.
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Quick sizing guide
| Use case | Planning RAM | Storage starting point | What the figure means |
|---|---|---|---|
| Small, lightly modded dedicated server | 6 GB free RAM | 15 GB SSD | Community estimate from 7D2D Wiki, updated June 16, 2026; not an official guarantee |
| Four or more players, or a more heavily modded world | 10–16 GB RAM | 25 GB or more SSD | Community estimate intended as a more comfortable target |
| Server and game client on the same PC | Server allocation plus the client’s needs; Steam says to expect double the RAM requirement | Depends on both installations and saved worlds | Leave additional headroom for the operating system and other applications |
| Cross-platform configuration | Depends on the workload | Depends on the workload | The Help Center documents a maximum ServerMaxPlayerCount value of 8 for the cross-platform configuration; this is not a universal performance limit |
Use the table to start a capacity plan, then add headroom. A server that technically starts with 6 GB can still become unstable when the operating system, monitoring tools, backups, voice chat or other services consume the remaining memory.
Client requirements are not server requirements
The Help Center’s “Hardware Information” article, updated April 21, 2026, lists the following Windows client specifications:
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- 8 GB RAM minimum
- 12 GB RAM recommended
- 2.8 GHz quad-core processor minimum
- 3.2 GHz quad-core processor or faster recommended
- 20 GB of available storage
These numbers describe the game client. They do not promise that a dedicated server will run well with the same resources. The same Help Center article explicitly says, “Running a dedicated server requires more ram and heavier use on your CPU.” A server must simulate the world, process player actions and maintain the saved game even when no local game window is open.
Steam’s listing also shows 8 GB minimum and 12 GB recommended RAM for the Windows client, but it lists 15 GB of storage rather than the Help Center’s 20 GB. Treat the current Help Center as the better reference for the general client storage figure. Neither client storage number establishes how much space a server needs, because a server also needs room for saves, logs, updates, backups and optional mods.
How much RAM does a 7 Days to Die server need?
Start with free RAM, not installed RAM
The 6 GB figure in the 7D2D Wiki’s dedicated-server table means free memory available to the server in its minimum row. It should not be read as “install a 6 GB computer and expect 6 GB to be usable.” Your operating system and background services consume memory first. A machine with 8 GB installed may therefore have too little free memory once the operating system is running.
For a self-hosted machine, check available memory after booting the operating system and stopping unnecessary applications. The server’s usable allocation, not the size printed on the memory modules, is what matters.
Why player count and mods change the result
Every additional player can add active entities, construction changes, inventories and network activity. Mods may add scripts, assets, entities or larger gameplay systems. World-generation choices, view-distance settings and the number of structures in a save can also affect resource use. The available evidence does not provide a controlled benchmark that converts a specific player count or mod list into an exact RAM number, so do not treat 10 GB as a hard limit or 16 GB as a guarantee.
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For a group of four or more players, or for a modded server, the community guide’s 10–16 GB range is a practical comfort target. Choose the upper end when the machine will also run other services, when the mod pack is substantial or when you want room for future players.
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Leave operational headroom
Reserve memory for save operations, log growth, updates, backups and administration tools. If the server constantly approaches the machine’s available RAM, the operating system may begin swapping data to disk, producing pauses and connection problems. Increasing RAM helps only when memory is the limiting resource; it cannot compensate for an overloaded CPU or a slow network connection.
CPU requirements: prioritize fast cores
The official guidance does not name a dedicated-server CPU model. It does, however, warn that a dedicated server makes heavier use of the CPU than the client. The 7D2D Wiki describes the server as CPU-bound and favors fast CPU cores, but it does not publish controlled benchmarks that establish a minimum processor or a safe player count for a particular model.
When comparing machines, examine:
- Per-core performance: A modern processor with strong single-thread or lightly threaded performance is generally preferable to an older processor with many slower cores.
- Sustained performance: Small systems that throttle under heat can become unreliable during long sessions.
- Shared load: If the same computer runs the client, browser, recording software or other game servers, those tasks compete for CPU time.
- Virtualized resources: A hosting plan that advertises several virtual CPUs may still share physical resources with other customers. Ask how CPU allocation is enforced.
The official client figures of a 2.8 GHz quad-core minimum and 3.2 GHz quad-core-or-faster recommendation are useful context for the game client, not a dedicated-server specification. Do not infer that any four-core processor at those clock speeds will support a particular number of connected players.
Storage: use an SSD and plan for growth
The community server guide lists 15 GB of SSD storage in its minimum row and 25 GB or more for a more comfortable modded or four-plus-player setup. Those figures are starting points. Keep additional capacity for world saves, logs, downloaded updates, mod files and backups. A nearly full disk can cause update failures and complicate recovery.
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The guide recommends SSD storage but does not establish that NVMe is required. An NVMe SSD is an optional choice for a self-built machine; it may improve general file access, but it does not solve a RAM shortage or a CPU bottleneck. Storage speed also cannot fix a poor upload connection or excessive latency.
Use a separate backup location when possible. A backup stored on the same physical disk does not protect the world if that disk fails. Before changing mods or major settings, create a dated copy of the save and verify that it can be restored.
Can you host and play on the same computer?
Yes, but the machine must support both workloads simultaneously. Steam’s system-requirements text states: “Running a Dedicated Server and Client on the same computer will double ram requirements.” In practical terms, the client’s memory demand is added to the server’s demand, while both also compete for CPU time, storage activity and network bandwidth.
A single-PC arrangement can work for a small private group when the computer has substantial spare capacity. It is a poor fit when the host machine already runs close to its limits, uses integrated graphics with shared system memory, or performs recording, streaming and other heavy tasks.
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Self-hosting versus managed hosting
Self-hosting on a spare or dedicated machine
- Advantages: You control the operating system, files, mods, update timing, backups and hardware upgrades. There is no hosting-plan resource ceiling beyond your machine and internet connection.
- Costs and work: You supply the hardware, electricity, network service and administration. You are responsible for firewall rules, updates, crash recovery, monitoring and backups.
- Best fit: A technically comfortable owner who has a machine that can stay online and an internet connection with adequate upload capacity.
Running the server on the gaming PC
- Advantages: No second machine is required, and setup can be inexpensive for occasional sessions.
- Risks: The client and server share RAM and CPU resources. Shutting down or rebooting the gaming PC also takes the server offline. Steam’s warning about doubled RAM requirements is especially important here.
- Best fit: Small groups where the host is present for every session and the computer has clear performance headroom.
Managed game-server hosting
- Advantages: The provider supplies an always-on machine, network connectivity and a control panel, reducing day-to-day administration.
- Trade-offs: Resource allocations, backup policies, locations, mod support and upgrade rules vary. A low-cost plan may oversubscribe CPU resources or provide too little memory for a large mod pack.
- Best fit: Groups that value availability and convenience more than hardware control.
Before paying for a plan, verify current game-version support, the number of included player slots, how mods are installed, backup frequency and restore access, server location, latency, support response times, resource limits, cancellation terms and the process for upgrading. No provider-wide price or benchmark is established here, so compare those capabilities rather than choosing by advertised slot count alone.
Operating-system guidance in 2026
The Help Center’s current hardware guidance identifies SteamOS 3.0, an Arch-based Linux environment, as the recognized Linux baseline. It says Ubuntu-based distributions are not the recommended baseline going forward. Older Steam listing text still mentions Ubuntu versions, so the current Help Center guidance should lead when selecting an operating system for a new deployment.
Check the official support page for the exact game version you plan to run before installing Linux. If you already operate an Ubuntu server, confirm compatibility for that version rather than assuming that older listing text represents the current support position.
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Cross-platform servers and the player-count setting
The official “Dedicated Servers for Cross-Platform” guidance documents a maximum ServerMaxPlayerCount value of 8 for the cross-platform configuration described there. This is a configuration constraint for that mode, not a universal statement that every dedicated server can support eight players comfortably or that eight is the performance ceiling on every platform.
Cross-platform play can affect which server build, settings and versions are compatible. Confirm that every player’s client version matches the server and that the hosting environment explicitly supports the cross-platform mode you intend to use.
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A practical sizing and deployment checklist
- Define the workload. Write down the expected concurrent players, whether the world is modded, whether cross-platform play is required and whether the server will run other services.
- Choose a memory target. Use 6 GB free RAM and 15 GB SSD only as a small-server starting estimate. For four or more players or modded play, begin in the 10–16 GB RAM and 25 GB-plus SSD range.
- Check usable resources. Measure RAM after the operating system starts, identify competing CPU workloads and confirm that the disk has room for saves, updates and backups.
- Select the hosting model. Use a separate machine for isolation and control, the gaming PC for occasional small sessions with ample headroom, or managed hosting when administration and uptime are the priority.
- Confirm platform support. For Linux, use the current SteamOS 3.0/Arch-based guidance as the reference. For cross-platform play, verify the mode and the documented player-count setting.
- Plan recovery before inviting players. Set a backup schedule, keep at least one copy on another disk or machine and test restoring a save before a failure occurs.
- Monitor after launch. Watch free RAM, CPU utilization, disk space, save times and player-reported lag during the busiest period. Upgrade the resource that is actually saturated instead of automatically buying more of everything.
Common sizing mistakes and fixes
Using the 8 GB client minimum as the server requirement
Symptom: The server starts but becomes unstable as players join. Fix: Treat the client figures separately and provide free RAM beyond the operating system, using the community server ranges as a planning baseline.
Counting installed RAM instead of free RAM
Symptom: A machine advertised with enough memory has little available once it boots. Fix: Check memory availability with the operating system running and stop unnecessary services before measuring.
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Symptom: Players report delayed world updates even though RAM remains available. Fix: Inspect CPU saturation and per-core performance; the server guidance specifically warns of heavier CPU use.
Assuming NVMe solves every performance problem
Symptom: A faster SSD produces no meaningful improvement. Fix: Keep SSD storage for responsiveness, but investigate RAM, CPU, network latency and mod workload separately.
Ignoring backups and disk growth
Symptom: An update fails or a corrupted save cannot be recovered. Fix: Keep free capacity beyond the initial estimate and maintain tested copies on separate storage.
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