TP-Link

energy-efficient, steel case, 1U 19″ rack-mountable

5× 10/100/1000 Mbps RJ45 Ports (Ports 1–4 support 802.3af PoE), AUTO Negotiation, AUTO MDI/MDIX, Network Media 10BASE-T: UTP category 3, 4, 5 cable (maximum 100m), EIA/TIA-568 100Ω STP (maximum 100m), 100BASE-TX: UTP category 5, 5e cable (maximum 100m), EIA/TIA-568 100Ω STP (maximum 100m), Packet Forwarding Rate 7.44 Mpps, PoE Ports (RJ45) Standard: 802.3 af/at compliant, PoE Ports: Ports 1–4, Power Supply: 40 W, Switching Capacity 10 Gbps

16 10/100/1000Mbps RJ45 Ports (Auto Negotiation/Auto MDI/MDIX), IEEE 802.3i, IEEE 802.3u, IEEE 802.3ab , IEEE 802.3x, IEEE 802.1p, Switching Capacity 32Gbps, FCC, CE, RoHS

24 10/100/1000Mbps RJ45 Ports (Auto Negotiation/Auto MDI/MDIX), IEEE 802.3i, IEEE 802.3u, IEEE 802.3ab , IEEE 802.3x, Switching Capacity 48Gbps ,FCC, CE, RoHS,

IEEE 802.3i/802.3u/ 802.3ab/802.3x, IEEE 802.1p, 5× 10/100/1000 Mbps, Auto-Negotiation, Auto-MDI/MDIX Ports, Packet Forwarding Rate 7.4 Mpps, MAC Address Table 2K, Green Technology, 802.3X Flow Control, 802.1P/DSCP QoS (for V2 and later version), IGMP Snooping

10/100/1000 Mbps RJ45 (16 Ports), (Auto Negotiation/Auto MDI/MDIX), 2 Gigabit SFP Ports, Protocols: IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3x, IEEE 802.3af, IEEE 802.3at, IEEE 802.1q, IEEE 802.1p, Mounting: Rack Mountable, VLAN: Support up to 32 VLANs simultaneously (out of 4K VLAN IDs),MTU/Port/Tag VLAN, Power:100-240V AC, 50/60 Hz,