This product is either discontinued or we cannot get that from suppliers.
Cisco WS-C3850-48U-L 3850 48 Port Upoe Lan, Enclosure 1 RU, LAN Base, Port 48 x 10/100/1000 ports with UPoE, PoE Power 800W, Stack bandwidth 480 Gbps, Performance 130.95 Mpps, Switching Capacity 176 Gbps, RAM 4G, Flash Memory 2G.
Cisco next generation Catalyst WS-C3850-48U-L is stackable enterprise level switch and integrated with 48 Ethernet UPOE ports in LAN Base feature set. It offers up to 800W UPOE per switch and 60W per port.