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SG300-20
18 10/100/1000 ports, 2 combo mini-GBIC ports
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SG300-20 is a robust managed switch designed for small to medium-sized business networks, featuring a compact architecture with dependable AC power supply options for reliable operation. It delivers consistent performance through its integrated 10/100/1000 Ethernet ports and combo SFP uplink ports, ensuring efficient and secure network connectivity.
SG300-20 offers 20 fixed Ethernet ports along with two uplink ports while maintaining scalability for network growth even without stacking capability. The switch’s architecture supports Layer 2 and limited Layer 3 functions, making it ideal for diverse use cases that demand high performance and centralized management.
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In a 50-user small-business office deploying VoIP phones and Wi-Fi access points, the SG300-20-18 10/100/1000 ports, 2 combo mini-GBIC ports delivers hardware-based VLAN segmentation and granular QoS. Administrators carve out separate voice, data and wireless VLANs on the 18 Gigabit ports and apply traffic-prioritization rules to ensure crystal-clear voice quality while isolating guest Wi-Fi. The outcome is a simplified, secure network with deterministic performance for critical communications.
In a server-rack aggregation scenario, the SG300-20-18 10/100/1000 ports, 2 combo mini-GBIC ports serves as an edge switch connecting 16 application servers at Gigabit speeds, while the two combo mini-GBIC slots host redundant 1 Gbps fiber links to the core switch. This dual-uplink configuration provides automatic failover and load balancing, eliminating single points of failure and maximizing throughput. The benefit is a resilient, high-performance infrastructure that scales with growing compute demands.
A boutique hotel leverages the SG300-20-18 10/100/1000 ports, 2 combo mini-GBIC ports to enforce strict separation between guest Internet access and internal management systems. By assigning guest rooms and public-area access points to isolated VLANs on the 18 copper ports and connecting the property management server via a fiber mini-GBIC uplink, IT achieves end-to-end traffic isolation and centralized policy enforcement. The result is enhanced data security, regulatory compliance and simplified network operations.
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 SG300-20 |  SG300-52MP |  SG300-10PP |  SG300-28MP |  SF302-08P | |
|---|---|---|---|---|---|
| Depth | 9.4 inches | 11.3 inches | 10.8 inches | 8.5 inches | 9 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100 |
| Flash Memory | 64 MB | 256 MB | 32 MB | 64 MB | 32 MB |
| Form Factor | Desktop / Rack-mount | Rack-mount | Desktop / Rack-mount | Desktop / Rack-mount | Rack-mount |
| Height | 1.7 inches | 1.73 inches | 1.73 inches | 1.75 inches | 1.73 inches |
| IOS | LAN Lite | LAN Lite | LAN Lite | LAN Lite | LAN Lite |
| Interface Ports | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100 |
| Layer Supported | Layer 2 / Layer 3 | Layer 2 / Layer 3 Lite | Layer 2 / Layer 3 | Layer 2 / Layer 3 Lite | Layer 2 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | SG300-20 | SG300-52MP | SG300-10PP | SG300-28MP | SF302-08P |
| Media Type Supported | Combo | Twisted Pair / Fiber | Combo | Twisted Pair / Fiber / Combo | Twisted Pair |
| Memory | 256 MB | 256 MB | 64 MB | 128 MB | 64 MB |
| Number of Downlink Ports | 20 Ports | 48 Ports | 8 Ports | 24 Ports | 8 Ports |
| Number of Ethernet Ports | 12–24 Ports | Over 48 Ports | Under 12 Ports | 24–48 Ports | Under 12 Ports |
| POE Support | Non POE | POE+ | POE+ | POE+ | POE |
| Port/Expansion Slot Details | 20 RJ45 ports and 2 combo SFP ports | 48 x 10/100/1000 PoE ports and 4 x 10/100/1000 SFP ports | 8 PoE ports with 2 combo uplink ports | 24 PoE ports, 4 combo SFP ports | 8 x 10/100 PoE ports |
| Power Consumption | 35W | N/A | 29W | N/A | 56 W |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | Cisco SG300-20 Managed Switch | Cisco SG300-52MP 52-Port Gigabit PoE Managed Switch | Cisco Small Business SG300-10PP | Cisco Small Business SG300-28MP | Cisco Small Business SF302-08P 8-Port PoE Smart Switch |
| Product Type | Switch | Switch | Switch | Switch | Switch |
| Rack Units | 1 RU | 1 RU | 1 RU | 1 RU | 1 RU |
| Redundant Power Supply Supported | No | No | No | No | No |
| SFP Ports | Combo | 4 SFP Ports | Combo | 4 SFP Ports | N/A |
| Switching Capacity | 28 Gbps | 104 Gbps | 20 Gbps | 56 Gbps | 1.6 Gbps |
| Switching Capacity with Stacking | N/A | N/A | N/A | N/A | N/A |
| Uplink Configuration | 1G | 1G | 1G | 1G | 1G |
| Weight | 9 lbs | 16 lbs | 7.5 lbs | 7.7 lbs | 4.6 lbs |
| Width | 17.5 inches | 17.3 inches | 8.66 inches | 17 inches | 8.66 inches |
18-port gigabit smart switch with combo mini-GBIC ports ensures stable connectivity for mid-sized networks.
Professional-grade switch delivering consistent throughput and minimal latency.
Easy to deploy with reliable network performance for office environments.
Durable and efficient, perfect for small-to-medium office setups.
Stable and dependable performance for daily networking tasks.
The Cisco SG300-20 is a fully managed small-business switch featuring 18 Gigabit Ethernet ports and 2 combo mini-GBIC slots for fiber uplinks, designed for secure, scalable network deployment.
The SG300-20 provides 18 10/100/1000 Mbps RJ-45 ports for high-speed copper connectivity, ideal for bandwidth-intensive applications.
The SG300-20’s two combo mini-GBIC ports support SFP modules for fiber or copper uplinks, extending network reach up to dozens of kilometers.
Yes, the SG300-20 includes static and RIP routing features, enabling inter-VLAN routing and simplified traffic segmentation at Layer 3.