The Ultimate Cheap Fanless 2.5GbE Switch Mega Round-Up : r/hardware
UBIQUITI Layer 2 switch with (4) 10GbE RJ45 ports and (1) GbE, 802.3at PoE+ RJ45 input (USW-Flex-XG) - The source for WiFi products at best prices in UK - wifi-stock.co.uk
VALUE PoE++ 2.5 Gigabit Ethernet Switch, 8x Port (4xPoE++ & 4xPoE+) + 1 Uplink Port (10 GbE SFP+) - SECOMP International AG