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 - AliExpress
BrosTrend 8-Port 2.5G Ethernet Switch | 3 Working Mode | Limited Lifetime Protection – BrosTrend Direct
5-Port 2.5 Gigabit Switch - EDIMAX
Amazon.com: 6 Port 2.5G Umanaged Ethernet Switch, 4 x 2.5G Base-T Ports, 2 x 10G SFP, Compatible with 100/1000/2500Mbps, Metal Fanless, Desktop/Wall Mount YuanLey 2.5Gbe Network Switch for Wireless AP, NAS, PC :
Cheapest 2.5GbE switches – NAS Compares
Multi-Gigabit Ethernet Plus Switch - MS108EUP | NETGEAR