Aruba IOn 1830 48G 4SFP Switch
D-Link DGS-1210-48 52-port Gigabit Smart Switch,48xGbE,4xRJ45/SFP,fanless
D-Link DGS-1026MP 26-Port Gigabit PoE Switch, 24x gigabit PoE RJ45,2xgigabit RJ45/SFP,PoE budget 370W
Zyxel GS1900-48HP v2, 48-port GbE L2 Smart Switch, 170 Watt rackmount
TP-Link TL-SG3452 Managed L2+ 48xGb,4SFP switch Omada SDN
UBIQUITI UniFi 48-port Gigabit Ethernet Switch with SFP,no PoE
ZYXEL VPN50, Advanced VPN Firewall,50xVPN (IPSec/L2TP),up to 50 SSL VPN (10 included),1xWAN,4xLAN/DMZ
ZYXEL USGFLEX100 firewall,1xGWAN,4x gigabit LAN/DMZ,1xSFP,1xUSB