Below is the range of Switches by Samsung & ZyXEL.
Samsung 24 Port Gigabit Switch with PoE, 24 10/100 BASE-T ports with PoE, 2 10/100/1000 BASE-T ports, 2 Gigabit combo ports, 1 Console port.
Samsung 24 port 10/100 Switch (No PoE), 4 10/100 BASE-T ports, 4 Gigabit combo ports, 1 Console port.
Samsung 24 port 10/100 Switch with PoE, 22 10/100/1000 BASE-T ports with PoE, 2 Gigabit combo ports with PoE, 1 Console port.
ZyXEL Smart Managed Switches
Zyxel 8-port 10/100/1000 layer 2 PoE smart switch, 808.3at , desktop, fanless, 70Watt.
Zyxel 24-port 10/100/1000 POE L2 Managed Switch – 28 x Gigabit Ethernet PoE Ports, 4 x Gigabit Combo SFP/RJ-45 Ports, 56 Gbps Switching Capacity, 1.5 M byte Packet Buffer, 16 K MAC Address Table, 375 Watt Total POE+ Power Budget.
Zyxel 24-port Fully managed Layer 2 switching, GbE RJ-45 and GbE SFP connectivity, Complies with IEEE 802.3af PoE and 802.3at PoE Plus, High 375 W power budget, L2 multicast, IGMP snooping, MVR and voice VLAN for convergence, Enhanced network protection with IP source guard, DHCP snooping, ARP inspection, CPU protection, L2, L3 and L4 filtering, MAC freeze, port isolation, guest VLAN for improved isolation and access control, Future-proofed with IPv6 support, Supports ZON Utility and ZyXEL One Network inter-device features for easier, more efficient setup and management.