This product is either discontinued or we cannot get that from suppliers.
NETGEAR GS748T-500AJS Prosafe 48-port Gigabit Smart, Layer 3 Switch, Input Voltage 110 V AC, 220 V AC, Power Supply, Rack-mountable, Network 10/100/1000Base-T, Expansion Slots 4, Twisted Pair, Network Ports 48, Port 2 x Gigabit Ethernet Uplink; 2 x Gigabit Ethernet Expansion Slot; 48 x Gigabit Ethernet Network.
The NetGear GS748T-500AJS allows small-to-medium-sized businesses to quickly and easily roll out Gigabit-speed networking with plenty of ports and 100Gbps of throughput, at a minimum of cost.