The tl-sg3428mp (a newer, common model) is a jetstream 28-port gigabit l2+ managed switch with 24-port poe+.
key features (based on available models)
poe+ ports: typically has 24 gigabit poe+ ports (802.3at/af compliant), with a total power budget of around 384 w.
uplink ports: equipped with additional sfp slots for fiber uplinks (e.g., 4x gigabit sfp slots or 4x 10g sfp+ slots in the xmp version).
management: it can be managed in standalone mode via web gui, cli, snmp, or centrally integrated into the omada software defined networking (sdn) platform for cloud management via a web interface or app.
layer 2+ features: includes advanced features such as static routing, l2/l3/l4 qos, igmp snooping, 802.1q vlan, and link aggregation.