Dahua DH-S4220-16GT-240 - 20-Port Managed Desktop Gigabit Switch with 16-Port PoE
Product Features
- 20 Gigabit ports: 16 PoE ports plus 2 Gigabit + 2 SFP uplink
- Locally web-managed (WEB http/https, SNMP v1/v2c/v3)
- 240W total PoE budget (IEEE802.3af/at/Hi-PoE/bt)
- Desktop or rack-mount metal housing
Dahua DH-S4220-16GT-240 — 20-Port Managed Desktop Gigabit Switch with 16-Port PoE
The DH-S4220-16GT-240 gives 16 Gigabit PoE ports plus 2 Gigabit and 2 SFP uplink ports, with full local management — VLANs, link aggregation, IGMP snooping, ACLs — in a desktop or rack-mount housing.
Who is it for?
Sites of up to 16 cameras needing Gigabit bandwidth throughout and genuine managed-switch features — VLAN segmentation, IP/MAC-based security, port mirroring for diagnostics — without going to a full enterprise L3 chassis.
Key specification
| Ports | Port 1-16: 16 x RJ45 10/100/1000 Mbps (PoE); Port 17-18: 2 x RJ45 10/100/1000 Mbps; Port 19-20: 2 x SFP 1000 Mbps |
|---|---|
| PoE Budget | Port 1-2 ≤90W, Port 3-16 ≤30W each, total ≤240W |
| PoE Standard | IEEE 802.3af / IEEE 802.3at / Hi-PoE / IEEE 802.3bt |
| Management | WEB (http/https), SNMP v1/v2c/v3; VLAN, LACP, IGMP snooping, ACL, 802.1x |
| Power Supply | 100-240 VAC, 50/60Hz, 3.5A |
| Operating Temperature | –10°C to +55°C |
| Dimensions | 440 x 300 x 44mm, 3.4kg net |
What you will need
- Up to 16 PoE Gigabit cameras or access points
- A flat surface or 19-inch rack for mounting
- SFP fibre modules for the optical uplink ports
Frequently asked questions
How many cameras can this power?
Up to 16, within the 240W total PoE budget.
Does it support IGMP snooping?
Yes — useful for multicast video streams on larger networks.
Can this be desktop or rack mounted?
Yes — it supports both.
Browse the full Dahua range, all network switches, or contact us on 01902 902251. Everything here is also on the shelf at our Wolverhampton trade counter.
| Product Code | DH-S4220-16GT-240 |
|---|---|
| Dimensions | 440mm x 300mm x 44mm |
| Manufacturer | Dahua |
| Colour | Brown |
| Device Port Speed | 10/100/1000 Mbps |
| Power | 100–240 VAC, 50/60 Hz, 3.5 A |
| Connection Type | Wired |
| Device Ports | 16 |
| Managed | Yes |
| PoE Ports | 16 |
TECHNICAL SUPPORT
We provide tailored support for you and your CCTV system.
3 YEAR WARRANTY
Many of our Cameras and Recorders come with a comprehensive 3 year warranty.
COME & VISIT US
We've got a fully functioning show room and IP suite to show you exactly how our CCTV equipment works
FREE DELIVERY OVER £ 149.99
As cheap as £10, orders placed before 2:30pm are dispatched for delivery within 1–2 working days!
