# eufy HomeBase Professional S1

*eufy / T9000121*

> The eufy HomeBase Professional S1 is a hub for eufy PoE cameras, battery cameras, doorbells and sensors with 32 GB of storage and an external drive bay. It does not support HomeKit.

- Canonical page: https://smarthomecanon.com/devices/eufy-homebase-professional-s1
- Last checked: 2026-10-20

## Key facts

| Fact | Value |
| --- | --- |
| Brand | [eufy](https://smarthomecanon.com/brands/eufy) |
| Category | Hub |
| Model numbers | T9000121 |
| Status | Current[^1] |
| Type | HomeBase[^1] |
| Resolution | Not applicable[^1] |
| Power | Mains[^1] |
| Local storage | 32 GB eMMC, up to 16 TB external HDD[^1] |
| Hub or recorder | Connects up to 16 devices (4 direct PoE) and 34 sensors[^1] |
| Voice and smart home | HomeKit not supported[^1] |

## Integration paths

**How the eufy HomeBase Professional S1 connects**

| Path | Requires | Local | Features lost |
| --- | --- | --- | --- |
| [Wi-Fi cloud](https://smarthomecanon.com/protocols/wifi-cloud) | Ethernet connection to a router[^1] | unknown | unknown |

**Platform support for the eufy HomeBase Professional S1**

| Path | Platform | Support | Integration |
| --- | --- | --- | --- |
| Wi-Fi cloud | [HomeKit](https://smarthomecanon.com/platforms/homekit) | Not supported[^1] |  |

## Related pages

- [eufyCam and HomeBase](https://smarthomecanon.com/lines/eufy-eufycam-and-homebase) (line)
- [eufy](https://smarthomecanon.com/brands/eufy) (brand)
- [Wi-Fi through a cloud service](https://smarthomecanon.com/protocols/wifi-cloud) (protocol)
- [HomeKit](https://smarthomecanon.com/platforms/homekit) (platform)

## Sources

[^1]: HomeBase Professional S1 product page, eufy US store. https://www.eufy.com/products/t9000121 (manufacturer, checked 2026-10-20)