WS-C3650-48TD-L vs WS-C3650-48PS-L

What’s the difference between WS-C3650-48TD-L and WS-C3650-48PS-L?

WS-C3650-48TD-L Overview:
Layer 2 switching with limited static routing features
48 * 10/100/1000 Ethernet ports with 2 * 10G SFP+ OR 4 * 1G SFP uplinks
LAN Base IOS image with upgrade option to IP service (L-C3650-48-L-E) or IP base (L-C3650-48-L-S)
Up to 9 members stacking and up to 160Gbps of stack throughput (Optional)

WS-C3650-48PS-L Overview:
PoE switch
48 * 10/100/1000 POE+ Ethernet ports with 4 * 1G SFP uplinks
Layer 2 switching with limited static routing features
LAN Base IOS image with upgrade option to IP service (L-C3650-48-L-E) or IP base (L-C3650-48-L-S)
Up to 9 members stacking and up to 160Gbps of stack throughput