How to buy outside of REALMAX

Gigabit 16-Port Desktop Metal Switch Reference: LGS-116 ▪ Network standards: IEEE 802.3, 802.3u, 802.3x, 802.3ab, 802.3az ▪ Ports: 16 Gigabit Ethernet (10/100/1000) RJ-45 ports ▪ Manageable: No ▪ Bandwidth: 32 Gbps (non-blocking) ▪ Simple Plug & Play connection ▪ QoS