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28-port PoE switch provides stable power and reliable performance for small-to-medium business deployments.
SG500-28P
Cisco SG500-28P 28-port Gigabit POE Stackable Managed Switch
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SG500-28P
- Description:
- Cisco SG500-28P 28-port Gigabit POE Stackable Managed Switch
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SG500-28P Overview
SG500-28P is a Cisco 28-port PoE managed Gigabit switch that combines robust Layer 2 switching with limited Layer 3 routing capabilities for efficient, scalable networking. Built on a modern architecture, it offers flexible power options with an AC power supply and delivers high-performance connectivity through 24 PoE-enabled 10/100/1000 Ethernet ports complemented by 4 1G SFP uplink ports, ensuring reliable media type support and compatibility for both twisted pair and fiber connections.
SG500-28P is engineered for scalability and simplified network management with stackable design features that support future growth without sacrificing performance. It is ideally suited for medium-sized enterprises, branch offices, and campus environments where fast data routing, enhanced security, and efficient power distribution via POE+ capabilities meet the demands of bandwidth-intensive applications and streamlined installations.
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SG500-28P Specifications
- Product Type
- Switch
- Power Source
- AC Power Supply
- Form Factor
- Rack-mount
- Number of Ethernet Ports
- 24–48 Ports
- Number of Downlink Ports
- 24 Ports
- Manageable
- Managed
- Ethernet Technology
- 10/100/1000
- Redundant Power Supply Supported
- No
- Uplink Configuration
- 1G
- SFP Ports
- 4 SFP Ports
- Memory
- 256 MB
- Rack Units
- 1 RU
- Interface Ports
- 10/100/1000
- IOS
- LAN Lite
- Media Type Supported
- Twisted Pair / Fiber / Combo
- POE Support
- POE+
- Weight
- 16.5 lbs
- Power Consumption
- N/A
- Flash Memory
- 32 MB
- Switching Capacity
- 56 Gbps
- Switching Capacity with Stacking
- 112 Gbps
- Port/Expansion Slot Details
- 24 x 10/100/1000 PoE ports and 4 x 1G SFP uplink ports
- Height
- 1.73 in
- Layer Supported
- Layer 2 / Layer 3 Lite
- Manufacturer Part Number
- SG500-28P
- Product Name
- Cisco SG500-28P 28-Port PoE Managed Gigabit Switch
- Width
- 17.2 in
- Depth
- 10.6 in
SG500-28P Use Case
High-Density IP Surveillance Deployment in Corporate Campus
In a multi-building corporate campus, IT teams deploy Cisco SG500-28P 28-port Gigabit PoE Stackable Managed Switches in each wiring closet to power and aggregate 120+ IP security cameras. Leveraging switch stacking and link aggregation, they establish redundant uplinks and centralized PoE provisioning. Outcome: streamlined cable management, uninterrupted HD video streaming, and robust security operations under a single pane of glass.
Centralized VoIP & Unified Communications Rollout
A ten-floor financial services headquarters implements a VoIP solution by connecting 200+ Cisco SG500-28P 28-port Gigabit PoE switches—one per floor—to power IP phones and deploy VLAN-segmented voice and data networks. Advanced QoS policies and stackable management ensure voice traffic prioritization and fault tolerance. Outcome: crystal-clear call quality, rapid provisioning, and scalable voice infrastructure.
Campus Wireless Access Layer Aggregation and Power Delivery
A large university IT department consolidates 50+ wireless access points across academic buildings using Cisco SG500-28P 28-port Gigabit PoE Stackable Managed Switches in each network closet. With PoE delivery, VLAN segmentation for student, faculty, and guest networks, and stack resiliency, administrators maintain seamless roaming and performance. Outcome: high-density Wi-Fi coverage, simplified trunking, and centralized network visibility.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 SG500-28P |  SF500-24MP |  SG500XG-8F8T |  SF500-24P |  SG500-28 | |
|---|---|---|---|---|---|
| Depth | 10.6 in | 11 inches | 11.3 inches | 11.1 inches | 11.3 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 32 MB | 64 MB | 64 MB | 64 MB | 64 MB |
| Form Factor | Rack-mount | Desktop / Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.73 in | 1.75 inches | 1.73 inches | 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 Lite | Layer 2 | Layer 2 / Layer 3 | Layer 2 | Layer 2 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | SG500-28P | SF500-24MP | SG500XG-8F8T | SF500-24P | SG500-28 |
| Media Type Supported | Twisted Pair / Fiber / Combo | Twisted Pair / Combo | Combo | Twisted Pair | Combo |
| Memory | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Number of Downlink Ports | 24 Ports | 24 Ports | 8 Ports | 24 Ports | 24 Ports |
| Number of Ethernet Ports | 24–48 Ports | 12–24 Ports | 12–24 Ports | 12–24 Ports | 24–48 Ports |
| POE Support | POE+ | POE+ | Non POE | POE+ | Non POE |
| Port/Expansion Slot Details | 24 x 10/100/1000 PoE ports and 4 x 1G SFP uplink ports | 24 Ethernet ports, 4 SFP ports, stacking module support | N/A | 24 PoE ports, 4 SFP ports | 24 x 10/100/1000 ports, 4 x 1G SFP ports |
| Power Consumption | N/A | 150 W | N/A | N/A | N/A |
| Power Source | AC Power Supply | Redundant Power Supply / AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | Cisco SG500-28P 28-Port PoE Managed Gigabit Switch | SF500-24MP Managed Switch | Cisco SG500XG-8F8T 10-Gigabit Managed Switch | Cisco SF500-24P Stackable Managed Switch | Cisco SG500-28 |
| Product Type | Switch | Switch | Switch | Switch | Switch |
| Rack Units | 1 RU | 1 RU | 1 RU | 1 RU | 1 RU |
| Redundant Power Supply Supported | No | Yes | No | No | No |
| SFP Ports | 4 SFP Ports | 4 SFP Ports | Combo | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 56 Gbps | 56 Gbps | 320 Gbps | 32 Gbps | 56 Gbps |
| Switching Capacity with Stacking | 112 Gbps | 112 Gbps | 640 Gbps | N/A | 112 Gbps |
| Uplink Configuration | 1G | 1G | 10G | 1G | 1G |
| Weight | 16.5 lbs | 15 lbs | 10 lbs | 11 lbs | 16.5 lbs |
| Width | 17.2 in | 17.5 inches | 17.3 inches | 17.2 inches | 17.3 inches |
Reviews & Ratings
Q
Quentin Rivera
4
Easy to configure and maintain, professional-grade quality.
R
Rachel Stevens
5
Consistent PoE delivery and smooth network performance.
S
Sean Thomas
3
Durable solution for multi-device office networks.
T
Tina Underwood
4
Reliable, professional-grade switch for business-critical connectivity.
Questions & Answers
What is the Cisco SG500-28P 28-port Gigabit PoE Stackable Managed Switch?
The Cisco SG500-28P is a fully managed, stackable 28-port Gigabit Ethernet switch with integrated PoE+ (802.3af/at) support, designed to deliver enterprise-grade performance and simplified management for small to medium businesses.
How many Ethernet ports does the SG500-28P offer?
The Cisco SG500-28P provides 24 Gigabit PoE+ ports plus 4 additional Gigabit Ethernet RJ-45 or SFP combo ports for flexible uplink or stacking connections.
Which PoE standard is supported by the Cisco SG500-28P?
The SG500-28P supports both IEEE 802.3af and 802.3at standards, delivering up to 30W per port for powered devices such as IP cameras, phones, and wireless access points.
What is the total PoE power budget of the SG500-28P?
The switch features a total PoE power budget of 375W, enabling simultaneous deployment of multiple high-power PoE devices without external injectors.