Workload guide · Smart home
Home Assistant: hardware requirements guide
Smart home hub with integrations, dashboards and automations.
Hardware requirements by tier
Three tiers for every workload: the minimum that works, the recommended sweet spot, and the comfortable headroom level. These are the same tiers the WisePC decision engine uses when it plans a build around your goal.
| Tier | CPU cores | RAM | Storage | GPU | Network |
|---|---|---|---|---|---|
| Minimum | 2 cores | 4 GB | 0.5 TB (ssd) | None | 1 GbE |
| Recommended | 4 cores | 8 GB | 1 TB (ssd) | None | 1 GbE |
| Comfortable | 8 cores | 16 GB | 2 TB (ssd) | any | 2.5 GbE |
Which tier do you need?
- Pick Minimum (2 cores, 4 GB RAM) only for a single-purpose machine on a tight budget — expect little headroom.
- Recommended (4 cores, 8 GB RAM) is the sweet spot: enough for the workload plus the usual side-services, without overspending.
- Pick Comfortable (8 cores, 16 GB RAM) when this workload shares the machine with others or will grow — you pay for headroom, not for anxiety.
- GPU rule for this workload: None.
Frequently asked questions
How much RAM does home assistant need?
4 GB is the sensible minimum, 8 GB covers most real setups, and 16 GB gives comfortable headroom for growth and extra services.
How many CPU cores does home assistant need?
A 2-core CPU is the minimum, 4 cores is the recommended sweet spot, and 8 cores is comfortable when it shares the machine with other workloads.
Does home assistant need a dedicated GPU?
No — integrated graphics or a headless setup is enough.
What storage and network does home assistant expect?
Storage: 1 TB of SSD is the recommended baseline (0.5 TB minimum, 2 TB comfortable). Network: 1 GbE is the recommended baseline.
What runs well alongside home assistant?
It pairs naturally with: Automation, IoT, Object detection.