Built-in 36W AC/DC power supply can support copper Ethernet UF-RJ45-10G modules (sold separately) in all eight ports. The Ubiquiti UniFi USW-Aggregation is a managed Layer 2 switch with eight 10G SFP+ ports, offering link aggregation for higher capacity and increased availability. It provides stable and efficient data transmission for industrial automation, surveillance, and control systems. Hikvisi being damaged by unstable voltage. Typically, switches have at least one power supply, while some have two power supplies, providing 1+1 redundancy and hot-swappable features that guarantee seamless operation and continued functionality even if one power source is disconnected.