HS3220-16GT-190 - is an industrial Unmanaged Gigabit PoE switch designed for professional networks, IP video surveillance and high-performance industrial environments. Equipped with 20 total ports , including 16 Gigabit PoE ports , 2 RJ45 uplink ports and 2 SFP uplink ports , it supports IEEE 802.3bt technology and Hi-PoE up to 90W with a total PoE budget of 190W to power high-power devices. Long Distance PoE up to 250 meters , PoE Watchdog and Intelligent PoE functions ensure business continuity, intelligent monitoring and maximum network reliability. The full metal fanless design with surge protection and operation from -30°C to +65°C ensures stability even in the most harsh environments. Dahua
HS3220-16GT-190 | 20-Port Industrial Unmanaged Hardened Switch with 16 PoE Ports & 4 SFP Ports & 2 RJ45 Ports - Dahua

The Dahua HS3220-16GT-190 is an industrial Gigabit PoE Unmanaged switch designed for professional networks, IP video surveillance systems and high-performance industrial applications. Equipped with a total of 20 ports , including 16 Gigabit PoE ports , 2 RJ45 uplink ports and 2 SFP uplink ports , it supports IEEE 802.3bt technology and Hi-PoE up to 90W with a total PoE budget of 190W to power high-power devices. Intelligent PoE Watchdog , Long Distance PoE up to 250 meters and Eight-pin PoE functions ensure stable transmission, continuous monitoring and greater energy efficiency. The full metal fanless design with surge protection and operating temperature from -30°C to +65°C ensures maximum reliability even in the harshest industrial environments.
Main specifications:
- 20 total ports with 16 Gigabit PoE ports
- 2 uplink RJ45 ports and 2 uplink SFP ports
- Supports IEEE 802.3bt and Hi-PoE up to 90W
- Total PoE budget up to 190W
- PoE transmission up to 250 meters
- Intelligent PoE Watchdog System
- Eight-pin PoE technology for greater stability
- Switching capacity up to 40 Gbps
- Fanless full metal industrial design
- Operating temperature from -30°C to +65°C
Further details
With switching capacity up to 40 Gbps , forwarding rate of 29.76 Mpps , Layer 2 support and total PoE power supply up to 190W , the switch ensures high performance, network stability and efficient management of connected devices.
Technical data sheet
| PRODUCT | HS3220-16GT-190 |
| Hardware | |
| Power Adapter Included | Yes |
| PoE | Yes |
| Ethernet Port | 16 |
| Ethernet Port Speed | 10/100/1000 Mbps |
| Ethernet Port Uplink Speed | 10/100/1000 Mbps |
| Optical Port Uplink Speed | 1 Gbps |
| Description of Function Slots | Port 1-16: 16× RJ-45 10/100/1000 Mbps (PoE) Port 17-18: 2 × RJ-45 10/100/1000 Mbps (uplink) Port 19-20: 2 × SFP 1000 Mbps (uplink) |
| Power Supply | External power supply: 48–57 VDC |
| Operating Temperature | –30 °C to +65 °C (–22 °F to +149 °F) |
| Operating Humidity | 5%–95% (RH), non-condensing |
| Storage Temperature | -40 °C to +85 °C (-40 °F to +185 °F) |
| Storage Humidity | 5%–95% (RH), non-condensing |
| Power Consumption | Idling: 7.06 W Full load: 199 W |
| Performance | |
| Layer | Layer 2 |
| Management Type | No |
| Jumbo Frame | 40 Gbps |
| Packet Forwarding Rate | 29.76 Mbps |
| Packet Buffer Size | 1 Mbit |
| MAC Table Size | 4K |
| Communication Standard | IEEE802.3; IEEE802.3u; IEEE802.3x; IEEE802.3ab |
| Feature | |
| PoE Protocol | IEEE802.3af; IEEE802.3at; Hi-PoE; IEEE802.3bt |
| PoE Power | Port 1–2 ≤ 90W, Port 3-16 ≤ 30W, total ≤ 190W |
| PoE Power Consumption Management | Yes |
| PoE Pin Assignment | 1,2,4,5(V+),3,6,7,8(V-) |
| Long Distance PoE Transmission | Yes |
| General | |
| Statics Protection | Air discharge: 8 kV Contact discharge: 6 kV |
| Lighting Protection | Common mode: 4 kV Differential mode: 2 kV |
| Product Dimensions | 64.8 mm × 121.8 mm × 171.0 mm (2.55" × 4.80" × 6.73") (L × W × H) |
| Packaging Dimensions | 311.5 mm × 251.5 mm × 128.5 mm (12.26" × 9.90" × 5.06") (L × W × H) |
| Casing Material | Iron |
| Installation | DIN rail mount; desktop mount |


