Allied Telesis x510-28GPX-50

Stackable Gigabit Switch
Allied Telesis x510 GPX Series stackable Gigabit switches power the edge in the network more efficiently than any other.

General info:
The x510-28GPX features 24x10/100/1000T PoE + ports and 4 x 10G/1G SFP + uplink ports. It includes two internal power supplies for high reliability as well as VCStack ™, allowing devices to be stacked to create highly resilient solutions that can be distributed over long distances. The AT-x510-28GPX delivers up to 30 watts per port (PoE +), perfect for supporting standard as well as Pan/Tilt/Zoom video surveillance and security cameras, wireless access points, IP phones, RFID readers, automatic doors and other PoE -powered devices. This PoE option eliminates the need for power rewiring and minimizes the clutter of power supplies and adapters in awkward places. The x510-28GPX is designed for business, retail, government, university and medical campuses.
More info:
See Datasheet. Https://www.alliedtelesis.com/sites/default/files/x930_ds_revy.pdf