1Power Over Ethernet2One Key VLAN and Extend319" Rackmount & Wallmount4Wide Temperature YS2083GS-P YS20162G-P YS2080G-P YS082G-P YS042F-P YS20242F-P AI-YS082G-P PoE Port 8x10/100/1000Mbps 16x10/100/1000Mbps 8x10/100/1000Mbps 8x10/100Mbps 4x10/100Mbps 24x10/100Mbps 8x10/100/1000Mbps UpLink Port 2x10/100/1000Mbps 2x10/100/1000Mbps N/A 2x10/100/1000Mbps 2x10/100Mbps 2x10/100/1000Mbps 2x10/100/1000Mbps POE Power Output 120W 250W 120W 120W 78W 400W 120W Switch Capacity 12Gbps 16Gbps 16Gbps 12Gbps 1.6G bps 16Gbps 20Gbps Dimensions (L x W x H) 7.9 x 4.7 x 1.7 10.6 x 7.1 x 1.7 7.9 x 4.7 x 1.7 7.9 x 4.7 x 1.7 7.9 x 4.7 x 1.7 10.6 x 7.1 x 1.7 7.7 x 5 x 1.6 Weight (lbs) 2.31 3.31 2.31 2.31 2.15 4.62 1.98 Extend Function VLAN Output Power 15.4W /30W 15.4W /30W 15.4W /30W 15.4W /30W 15.4W /30W 15.4W /30W 15.4W /30W Metal Case Fanless Design Network Protocol 802.3AF /AT 802.3AF /AT 802.3AF /AT 802.3AF /AT 802.3AF /AT 802.3AF /AT 802.3AF /AT Which is the Best for You?