This product is either discontinued or we cannot get that from suppliers.
Allied Telesis Next-gen Firewall AT-AR4050S, Security processor 1.5GHz quad-core, Memory (RAM) 2GB, Memory (Flash) 4GB, Input Power 90 to 260V AC (auto-ranging), 47 to 63Hz, LAN ports 8 x 10/100/1000T RJ-45, WAN ports 2 x 1000X SFP / 2 x 10/100/1000T RJ-45 combo, High Availability bypass ports 2 x 10/100/1000T RJ-45.
The Allied Telesis AR4050S Next-Generation Firewall consolidates threat protection, application and web control capabilities into a single device ensuring the security of business communications.