Based on this product's specifications, here are some alternatives and similar models
Managed Switch Lancom Systems GS-4554XP L3 2.5G Ethernet 54 Ports PoE
Summary description:
The Lancom Systems GS-4554XP is a managed L3 switch featuring 54 2.5G Ethernet ports, Power over Ethernet (PoE), and a robust MAC address table with 32000 entries. It supports various networking standards including IEEE 802.1D and IEEE 802.1Q, making it ideal for advanced network management. Its 1U rack-mountable form factor ensures efficient use of space in server rooms.