• New UniFi Server model • Upgrade of the old UC-CK "Mini Server UniFi Controller" but now with built-in battery to correctly perform shutdown of the server in case there is a power outage • 4x Faster Performance than the original UC-CK • This device can manage up to 150-200 devices whereas the prior model only handled 20-25 • It is powered and charged by PoE 802.3af or USB-C 5V-2A