HUAWEI S110-8P2ST 8-Port Gigabit Ethernet Switch with 1 GE SFP Port, 1 x 10/100/1000BASE-T, PoE+ Support (124W), 155W Maximum Power Consumption, 20 Gbps Switching Capacity, 14.88 Mpps Forwarding Rate, 0.8U Rackmount/WALL Mountable, 56V DC Power Adapter, Natural Heat Dissipation, EMC/Safety Certified, Operating Temp 0°C to 40°C (32°F to 104°F) White HUAWEI S110-16LP2SR 16-Port Gigabit Ethernet Switch with 2 x GE SFP Ports, PoE+ Support, 124W Maximum PoE Power, 36 Gbps Switching Capacity, 26.78 Mpps Packet Forwarding, Rack/Desk/Wall Mountable, AC Power Supply, Natural Heat Dissipation, EMC & Safety Certified, Fanless, 22W Typical Power Consumption, 75W Typical Heat Dissipation, Operating Temp. 0°C to 40°C White HUAWEI S310-48P4X 48-Port Gigabit Switch with 4 x 10GE SFP+ Ports, PoE+ (380W), 1U Rack-Mountable, AC Power Supply, 131 Mpps Forwarding Rate, 176 Gbit/s Switching Capacity, Metal Chassis, 49.44W Typical Power Consumption, Intelligent Cooling Fans, Surge Protection, 5% to 95% Humidity, Operating Temp -5°C to +50°C, RJ45 Console Port, EMC & Safety Certifications White