Tp-link Switch 2500mbps 2.5g Switch 2.5gbps Switch 2.5gb Switch 2.5 Gigabit All 5*2.5gb Rj45 Ethernet Tl-sh1005 Plug And Play - Network Switches - AliExpress
D-LINK DMS-107: Switch, 7-Port, Gigabit Ethernet at reichelt elektronik
Solo5G (USB 3 to 5 Gigabit Ethernet Adapter) - Sonnet
Cheapest 2.5GbE switches – NAS Compares
IES3100-8TF-P, 8-Port Gigabit Ethernet L2+ Managed Industrial PoE+ Switch, 8 x PoE+ Ports @240W, with 2 x 1/2.5Gb SFP, -40 to 75°C Operating Temperature - FS.com Europe