DAHUA

Dahua DH-SG4020 20-Port Gigabit Managed Switch with 2 SFP

TypeManaged
RJ-45 ports18
Port speedGigabit Ethernet (10/100/1000)
SFP slots2
Rack mountingYes

The Dahua DH-SG4020 is a rack-mountable, fully managed gigabit switch delivering reliable Layer 2 network control across 18 GbE LAN ports and 2 SFP uplink ports — a solid choice for structured network infrastructure where performance and manageability matter.

Description

Full Network Control Without the Fan Noise

18 × Gigabit Ethernet ports (10/100/1000 Mbps) plus 2 × SFP slots for fibre or high-speed uplink connections
Managed switch with support for IGMP Snooping, QoS, Link Aggregation, STP/RSTP, LLDP and web-based management
Rack-mountable metal chassis with fanless, passive cooling for silent operation in server rooms and network cabinets
Wide operating temperature range of –10 °C to +55 °C, suited to demanding environments
Built-in protection against overvoltage, overcurrent and EMC interference for long-term reliability

The DH-SG4020 is well suited to small and medium business networks, IP surveillance deployments, and server room installations where centralised switch management, fibre uplinks and quiet operation are all essential requirements.