ubiquiti switch PRO xg 24 poe type managed layer l2 l3 rack mounting yes stackable form factor 1u 24xrj-45 ports rj-45 10g ethernet (100 1000 10000) 8x2,5g (copper) quantity 16x10g 2xsfp28 support power over (poe) 24xpower 4ppoe (poe++) total budget 720W