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SG500-28P
Cisco SG500-28P 28-port Gigabit POE Stackable Managed Switch
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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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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.
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.
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.
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| 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 |
28-port PoE switch provides stable power and reliable performance for small-to-medium business deployments.
Easy to configure and maintain, professional-grade quality.
Consistent PoE delivery and smooth network performance.
Durable solution for multi-device office networks.
Reliable, professional-grade switch for business-critical connectivity.
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.
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.
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.
The switch features a total PoE power budget of 375W, enabling simultaneous deployment of multiple high-power PoE devices without external injectors.
Yes, you can stack up to four SG500-28P units using the integrated stacking ports, creating a single logical switch with up to 112 Gigabit ports and unified management.
Yes, the Cisco SG500-28P delivers Layer 3 static routing and dynamic routing protocols (RIP v1/v2), enabling inter-VLAN routing and scalable network segmentation.
The switch offers a web-based GUI, Cisco Network Assistant, CLI (SSH/telnet), SNMP v1/v2/v3, and RMON for comprehensive local and remote management.
You can create and manage up to 256 VLANs via the intuitive web GUI or CLI, assigning ports to access, trunk, or hybrid modes and defining VLAN membership with ease.
The switch provides 802.1X port-based authentication, DHCP snooping, dynamic ARP inspection, Access Control Lists (ACLs), and broadcast storm control to protect your network.
The SG500-28P is ideal for small to medium businesses, branch offices, and retail environments requiring high-density PoE+ deployments, VLAN segmentation, and simplified stacking.
Yes, PoE scheduling can be configured in the switch’s management interface to power on/off ports at defined times, optimizing energy consumption and budget.
Cisco offers a limited lifetime hardware warranty, online technical support, and access to firmware updates for the SG500 series to ensure long-term reliability.
Yes, remote management is available via HTTPS, SSH, SNMP, and Cisco Network Assistant, allowing you to monitor and configure the switch from any location.
At idle, the SG500-28P consumes approximately 30W (excluding PoE), and under full load with PoE devices, it can draw up to its 375W PoE budget plus switch overhead.
The switch operates reliably in ambient temperatures from 0°C to 50°C (32°F to 122°F), making it suitable for most office and closet installations.
The Cisco SG500-28P measures 44.5 cm × 26.5 cm × 4.4 cm (W×D×H) and weighs approximately 3.8 kg, fitting standard 1U rack mounts or desktop setups.
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