Dahua S3228-24GT-375 – 28-Port Unmanaged Gigabit PoE Switch, 375 W, 56 Gbps

The Dahua S3228-24GT-375 is a 28-port unmanaged desktop gigabit switch designed for professional security and network installations. With 24 PoE ports (including 2 Hi-PoE ports delivering up to 90 W each), a total PoE budget of 375 W, and long-distance transmission of up to 250 m, it is an ideal solution for powering and connecting IP cameras, wireless access points, and other security devices in small to medium-sized premises. The built-in power supply, lightning and ESD protection, and PoE watchdog function ensure reliable, uninterrupted operation.

Key features

• Ports: 24 × RJ-45 10/100/1000 Mbps (PoE), 2 × RJ-45 10/100/1000 Mbps (uplink), 2 × SFP 1000 Mbps (uplink) – 28 ports total
• PoE power: Ports 1–2 ≤ 90 W (Hi-PoE/BT), ports 3–24 ≤ 30 W, total ≤ 375 W
• PoE standards: IEEE 802.3af, IEEE 802.3at, Hi-PoE, IEEE 802.3bt
• Switching capacity: 56 Gbps
• Packet forwarding rate: 41.66 Mpps
• Packet buffer: 4 Mbit
• Jumbo frames: up to 15 K bytes
• MAC address table: 8,000 entries
• Long-distance PoE transmission: up to 250 m
• VIP ports: prioritised transmission for ports 1–8
• PoE watchdog: automatically reboots faulty network cameras
• Network standards: IEEE 802.3, IEEE 802.3u, IEEE 802.3x, IEEE 802.3ab, IEEE 802.3z
• Power supply: built-in, AC 100–240 V, 50/60 Hz, 7 A
• Power consumption: ≤ 12.5 W (idle), up to 400 W (full load)
• Operating temperature: –10 °C to +55 °C
• Humidity: 5%–95% (non-condensing)
• ESD protection: air discharge 8 kV, contact discharge 6 kV
• Lightning protection: common mode 4 kV, differential mode 2 kV
• Mounting: desktop or rack-mount (1U)
• Dimensions (W × D × H): 440 × 220 × 44 mm
• Net weight: 2.66 kg

The Dahua S3228-24GT-375 is an excellent choice for system integrators and installers seeking a reliable, high-performance, and easy-to-deploy solution for powering and networking IP security systems.