UniFi Managed Security Gateway Unifi Managed Security GatewayUSGUnifi Managed Security GatewayUSG 0 out of 5 (0) USG UniFi Securuty Gateway 3xrj45 Gigabit SKU: n/a Unifi Managed Security GatewayUSG-PRO-4Unifi Managed Security GatewayUSG-PRO-4 0 out of 5 (0) USG-PRO-4 Rack-mountable form factor with fiber connectivity options and a dual-core, SKU: n/a