General
Manufacturer	Ubiquiti Networks
Product designation	UniFi Cloud Key Gen2 Plus
Function	Hardware controller for UniFi networks
Processor	Octa-Core ARM Cortex-A53
Main memory	3 GB
Internal memory	32 GB eMMC
SSD	1 TB, 2.5 inch, SATA
Network connection	1 × RJ-45, 10/100/1000 Mbit/s
Current supply	Passive PoE
Power consumption in operation	9,6 W
Display	1.42-inch OLED, monochrome

The Ubiquiti UniFi CloudKey+ Gen2 (manufacturer's part number UCK-G2-SSD) is a compact, standalone hardware console for centralized management of UniFi networks. It serves as a local controller for UniFi routers, access points, switches, and other network devices, enabling configuration, monitoring, and control via the UniFi-OS platform. The device is designed for use in small to medium-sized networks where centralized, local control without dependency on cloud services is desired. It features a pre-installed 1-TB SATA SSD, used for storing network data, logs, and configurations.

Applications
The CloudKey+ Gen2 is suitable for businesses, schools, clinics, or small offices that operate a structured, secure, and centrally managed network. It can be operated as a standalone controller within the local network without requiring an external cloud connection. The integrated SSD enables permanent storage of network logs, user data, and system logs, which is particularly useful for security and maintenance purposes. The device is also suitable for users who utilize hybrid cloud management, combining local and cloud-based control.

Features and Specifications in Detail
The device is equipped with an Octa-Core ARM Cortex-A53 processor, ensuring stable and responsive network control. The integrated RAM amounts to 3 GB, sufficient to manage multiple network devices simultaneously. Additionally, a 32-GB eMMC storage is included, serving as system storage. The pre-installed 1-TB SATA SSD (2.5 inch) provides ample space for network configurations, logs, and other data. Network connectivity is achieved via an RJ-45 port with Gigabit Ethernet (10/100/1000 Mbit/s), enabling fast communication with other network devices. A 1.42-inch grayscale OLED display shows basic system information such as status, IP address, and network connection.

Technology Explained Simply
The CloudKey+ Gen2 operates with the UniFi-OS platform, which is installed locally on the device. This enables full local network control without requiring an internet connection to the cloud. Passive PoE power supply means the device is powered via a network cable (e.g., from a PoE switch), eliminating the need for a separate power supply. Power is delivered through the network cable, simplifying installation and reducing cable clutter. The power consumption during operation is 9.6 W, representing efficient energy use for a compact network device.

Compatibility and Accessories
The device is compatible with all UniFi network devices controlled via the UniFi-OS platform, including routers, access points, and switches. It can be operated as a standalone controller within the local network and is designed for use with other UniFi products. The pre-installed SSD is not replaceable, as it is permanently integrated into the device. No information is available regarding additional accessories or expansions in the sources.

Mounting and Installation
The CloudKey+ Gen2 is compact and can be operated directly at a network port with PoE support. Installation is performed via the UniFi-OS software, which is pre-installed on the device. After connecting to the network, the device is configured through the web interface or the UniFi app. Mounting requires no additional bracket; the device can be placed on a flat surface. The passive PoE power supply requires a PoE switch or PoE injector to power the device.

Operational Advantages
The CloudKey+ Gen2 offers stable, local network management without dependency on internet connections. The integrated SSD enables permanent storage of network data, which is important for network monitoring and security. Passive PoE power supply reduces cable count and simplifies installation. The OLED display provides a quick overview of system status. The combination of local control, sufficient processing power, and large storage capacity makes the device a reliable solution for small to medium-sized networks.