D link smartpro dgs 1510 20 20 port gigabit stackable switch
The smartpro dgs 1510 series is the next generation of smartpro switch it contains 52 x 101001000 mbps ports plus 2 x gigabit sfp ports and 2 x 10g sfp ports as well as one 24 101001000 mbps poe plus 2 x gigabit sf