Dahua, 20-Port Cloud Managed Desktop Gigabit Switch with 16 × RJ-45 Gigabit PoE ports, 2 × RJ-45 Gigabit ports,2 × SFP Gigabit ports ,Port 3-16≤30 W, port 1-2≤90 W, total≤240 W, IEEE 802.3af; IEEE 802.3at; Hi-PoE; IEEE 802.3bt