This product is either discontinued or we cannot get that from suppliers.
Cisco WS-C3850-24S-S Catalyst 3850 24 Port, Network C3850-NM-4-1G, C3850-NM-2-10G, Switching Capacity 92Gbps, Stack Bandwidth 480Gbps, Forwarding Performance 68.4Mpps, RAM 4 G.
WS-C3850-24S-S supports up to 1K VLANs and delivers comprehensive layer 2 switching and limited layer 3 capabilities by offering the feasible solution for access layer or distribution layer