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24-port gigabit switch with reliable connectivity, ideal for EU networks.
SG350-28-K9-EU
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8 SFP Gigabit slots, 2 Gigabit copper/SFP combo
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SG350-28-K9-EU
- Description:
- 8 SFP Gigabit slots, 2 Gigabit copper/SFP combo
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SG350-28-K9-EU Overview
SG350-28-K9-EU is a high-performance managed switch designed to deliver robust Layer 2 and Layer 3 connectivity with a compact desktop and rack-mount form factor. It incorporates a flexible architecture that supports a range of power options via an AC power supply, while offering a variety of ports including 24 fixed Ethernet ports and 4 SFP uplink ports for versatile network deployment.
SG350-28-K9-EU supports advanced stacking capabilities that enhance scalability and performance in distributed enterprise or branch office environments. Ideal for critical business applications and converged networks, it delivers high switching capacity and reliable connectivity, making it perfect for organizations seeking to optimize the deployment of high-speed data and voice applications.
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Request bulk order quote for SG350-28-K9-EU for additional pricing. Browse the full Cisco 350 Series Managed Switches series or explore all Cisco products.
SG350-28-K9-EU Specifications
- Product Type
- Switch
- Power Source
- AC Power Supply
- Layer Supported
- Layer 2 / Layer 3
- Form Factor
- Desktop / Rack-mount
- Power Consumption
- 35W
- Number of Ethernet Ports
- 24–48 Ports
- Number of Downlink Ports
- 24 Ports
- Manageable
- Managed
- Ethernet Technology
- 10/100/1000
- Media Type Supported
- Twisted Pair / Fiber
- Redundant Power Supply Supported
- No
- Manufacturer Part Number
- SG350-28-K9-EU
- Uplink Configuration
- 1G
- IOS
- LAN Lite
- POE Support
- Non POE
- SFP Ports
- 4 SFP Ports
- Memory
- 256 MB
- Rack Units
- 1 RU
- Interface Ports
- 10/100/1000
- Port/Expansion Slot Details
- N/A
- Flash Memory
- 64 MB
- Switching Capacity
- 56 Gbps
- Switching Capacity with Stacking
- 112 Gbps
- Product Name
- Cisco SG350-28-K9-EU Managed Switch
- Height
- 1.73 inches
- Width
- 17 inches
- Depth
- 12 inches
- Weight
- 12 lbs
SG350-28-K9-EU Use Case
Campus Network Aggregation with High-Speed Fiber Uplinks
In a mid-sized university campus, network engineers deploy the SG350-28-K9-EU with its eight SFP Gigabit slots and two Gigabit copper/SFP combo ports as an aggregation switch between building distribution switches and the core router. This configuration delivers scalable fiber connectivity, seamless failover and 16 Gbps of simultaneous throughput, ensuring consistent campuswide access, simplified VLAN segmentation and rapid link restoration in the event of a fiber cut.
Top-of-Rack Data Center Connectivity and Redundancy
In a small data center environment, IT teams install the SG350-28-K9-EU at the top of each server rack to connect up to 8 fiber-attached servers via SFP and establish two copper/SFP combo uplinks to the core switch. This setup optimizes rack-to-core bandwidth, minimizes single-point failures through redundant links, and centralizes switch management via Cisco’s web-based GUI, delivering sub-millisecond latency and predictable performance for virtualization and storage traffic.
Hybrid VoIP and Wireless Deployment for SMB Offices
An SMB network administrator uses the SG350-28-K9-EU to segregate voice and wireless traffic across multiple floors: IP phones and wireless APs connect to Gigabit copper ports, while two fiber/SFP links extend to an offsite call-control server. Advanced QoS policies prioritize SIP calls and video streams, improving voice clarity by 30%, reducing jitter and packet loss, and enabling remote management of VLANs, PoE settings and firmware updates from a single console.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| SG350-28-K9-EU |  CBS350-24XTS |  SF352-08MP |  SG350-52 |  CBS350-48P-4G | |
|---|---|---|---|---|---|
| Depth | 12 inches | 11 inches | 12 inches | 16.9 inches | 14.88 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 64 MB | 64 MB | 64 MB | 64 MB | 256 MB |
| Form Factor | Desktop / Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.73 inches | 1.73 inches | 1 inch | 1.73 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 | 10/100/1000 |
| Layer Supported | Layer 2 / Layer 3 | Layer 3 | Layer 2 | Layer 2 / Layer 3 | Layer 2 / Layer 3 Lite |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | SG350-28-K9-EU | CBS350-24XTS | SF352-08MP | SG350-52 | CBS350-48P-4G |
| Media Type Supported | Twisted Pair / Fiber | Twisted Pair / Fiber | Twisted Pair / Fiber | Twisted Pair | Twisted Pair |
| Memory | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Number of Downlink Ports | 24 Ports | 24 Ports | 8 Ports | 48 Ports | 48 Ports |
| Number of Ethernet Ports | 24–48 Ports | 12–24 Ports | Under 12 Ports | 24–48 Ports | 24–48 Ports |
| POE Support | Non POE | Non POE | POE+ | Non POE | POE+ |
| Port/Expansion Slot Details | N/A | 24 Ethernet ports and 4 SFP+ uplink ports | 8 PoE ports, 4 SFP uplink ports | N/A | 48 PoE+ Ethernet ports and 4 dedicated Gigabit SFP uplink ports |
| Power Consumption | 35W | 62 W | 50W | 88 W | Approximately 110W |
| Power Source | AC Power Supply | AC Power Supply | Redundant Power Supply / AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | Cisco SG350-28-K9-EU Managed Switch | Cisco Business 350 Series CBS350-24XTS Managed Switch | SF352-08MP Managed PoE Switch | Cisco Small Business SG350-52 Managed Switch | Cisco Business CBS350-48P-4G 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 | Yes | No | No |
| SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 56 Gbps | 128 Gbps | 16 Gbps | 104 Gbps | 104 Gbps |
| Switching Capacity with Stacking | 112 Gbps | 256 Gbps | 32 Gbps | N/A | 160 Gbps |
| Uplink Configuration | 1G | 10G | 1G | 1G | 1G |
| Weight | 12 lbs | 14.3 lbs | 8 lbs | 17 lbs | 22 lbs |
| Width | 17 inches | 17.5 inches | 17 inches | 17.3 inches | 17.32 inches |
Reviews & Ratings
Q
Quincy Owens
5
Durable, professional-grade, and easy to manage.
R
Riley Peterson
5
Consistent throughput with minimal downtime for multiple devices.
S
Sofia Quinn
4
Efficient and reliable for medium-sized office deployments.
T
Trevor Rogers
5
Stable network operations with professional-grade features.
Questions & Answers
What is the Cisco SG350-28-K9-EU switch?
The Cisco SG350-28-K9-EU is a fully managed, Layer 3 Gigabit switch featuring 18 RJ45 ports, 8 SFP fiber slots, and 2 Gigabit copper/SFP combo ports, optimized for small and medium-sized business networks.
How many Gigabit ports does the SG350-28-K9-EU provide?
The SG350-28-K9-EU delivers 18 dedicated Gigabit RJ45 ports plus 2 Gigabit copper/SFP combo ports, for a total of up to 20 copper Gigabit connections.
How many SFP slots are available on this switch?
This model includes 8 dedicated SFP fiber slots and 2 additional Gigabit combo ports that support either SFP or copper modules, offering up to 10 fiber uplink options.
Which SFP modules are compatible with the SG350-28-K9-EU?
The switch is compatible with Cisco-approved 1000BASE-SX, 1000BASE-LX/LH, 1000BASE-ZX, and CWDM/DWDM SFP transceivers to support multi-mode and single-mode fiber links.