Hikvision 28-port HiPOE Gigabit switch DS-3E0528HP-E, L2, Unmanaged, 20 × Gigabit PoE ports, 4 × Gigabit Hi-PoE ports, 2 × Gigabit RJ45 ports and 2 × Gigabit fiber optic ports, 802.3af/at/bt, Ports 1-4 support Hi-PoE budget 90W, PoE power budget 370W, ports 21-24 support transmission up to 300m, 6KV surge protection, supports PoE watchdog, port isolation, metal housing, dimensions: 440 mm × 220.8 mm × 44 mm, weight: 2.98 kg