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SG500-28
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Cisco SG500-28 28-port Gigabit Stackable Managed Switch
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Name:
SG500-28
- Description:
- Cisco SG500-28 28-port Gigabit Stackable Managed Switch
- Rating:
Added to cart 28 times recently
- Availability:
2 In stock - Ready to Ship
- Brand:
- Cisco
- Condition:
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
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SG500-28 Overview
SG500-28 is a high-performance managed switch engineered with a robust architecture that delivers reliable connectivity and efficient network performance. It offers diverse power options utilizing an AC power supply, a comprehensive suite of 10/100/1000 Ethernet ports, and dedicated SFP uplink ports that collectively support demanding network environments.
SG500-28 provides advanced stacking capabilities and scalability, allowing seamless expansion to accommodate growing business needs while maintaining low latency and high throughput. Its optimized hardware performance and integrated security features make it ideal for branch offices, campus networks, and other fast-paced enterprise applications.
SG500-28 price is is available on request. Get immediate quote.
Request bulk order quote for SG500-28 for additional pricing. Browse the full Cisco 500 Series Stackable Managed Switches series or explore all Cisco products.
SG500-28 Specifications
- Product Type
- Switch
- Brand
- Cisco
- Power Source
- AC Power Supply
- Layer Supported
- Layer 2
- Form Factor
- Rack-mount
- Number of Ethernet Ports
- 24–48 Ports
- Number of Downlink Ports
- 24 Ports
- Manageable
- Managed
- Ethernet Technology
- 10/100/1000
- Media Type Supported
- Combo
- Redundant Power Supply Supported
- No
- Manufacturer Part Number
- SG500-28
- 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
- 24 x 10/100/1000 ports, 4 x 1G SFP ports
- Flash Memory
- 64 MB
- Switching Capacity
- 56 Gbps
- Switching Capacity with Stacking
- 112 Gbps
- Product Name
- Cisco SG500-28
- Height
- 1.73 inches
- Width
- 17.3 inches
- Depth
- 11.3 inches
- Weight
- 16.5 lbs
SG500-28 Use Case
Enterprise Network Core with Scalable Stacking
A mid-sized corporation deploys three SG500-28 switches in stack mode to form a 84-port Gigabit backbone. Centralized management via Cisco’s web UI and CLI enables VLAN segmentation, QoS for VoIP prioritization and link-aggregation for uplink resiliency. Benefit: Consolidated administration, non-disruptive scaling and predictable 10 Gbps inter-switch throughput reduce network downtime by 40% and simplify future expansion.
IP Surveillance and PoE-Powered Edge Deployment
A retail chain outfits its perimeter with 24 IP cameras requiring PoE+ power and gigabit connectivity. The SG500-28 supplies up to 370 W PoE budget across ports and enforces ACLs per camera VLAN to isolate traffic. Benefit: Single-cable power/data delivery, granular security policies and real-time monitoring through Cisco Smartports cut installation time by 50% and ensure uninterrupted 24/7 video capture.
Campus Lab Aggregation with High-Availability
A university network team stacks two SG500-28 switches in its STEM building to aggregate 80+ lab workstations, Wi-Fi access points and VoIP phones. Rapid spanning tree and redundant uplinks deliver sub-second failover. Benefit: Ultra-low latency for research applications, seamless failover and centralized QoS enforcement improve network resilience and support concurrent high-bandwidth activities without service interruption.
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Product Comparison Table 
| SG500-28 |  SG500-52P |  SG500XG-8F8T |  SG500-52 |  SG500X-24MPP | |
|---|---|---|---|---|---|
| Depth | 11.3 inches | 11.4 inches | 11.3 inches | 18 inches | 12 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 | 64 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.73 inches | 1.73 inches | 1.73 inches | 1.75 inches | 1.75 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 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | SG500-28 | SG500-52P | SG500XG-8F8T | SG500-52 | SG500X-24MPP |
| Media Type Supported | Combo | Combo | Combo | Twisted Pair / Fiber | Twisted Pair |
| Memory | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Number of Downlink Ports | 24 Ports | 48 Ports | 8 Ports | 48 Ports | 24 Ports |
| Number of Ethernet Ports | 24–48 Ports | 24–48 Ports | 12–24 Ports | Over 48 Ports | 12–24 Ports |
| POE Support | Non POE | POE+ | Non POE | Non POE | POE+ |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | Cisco SG500-28 | Cisco SG500-52P Managed Switch | Cisco SG500XG-8F8T 10-Gigabit Managed Switch | Cisco SG500-52 Managed Switch | Cisco SG500X-24MPP Managed PoE+ Gigabit 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 | Yes |
| SFP Ports | 4 SFP Ports | 4 SFP Ports | Combo | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 56 Gbps | 104 Gbps | 320 Gbps | 104 Gbps | 128 Gbps |
| Uplink Configuration | 1G | 1G | 10G | 1G | 10G |
| Weight | 16.5 lbs | 18.3 lbs | 10 lbs | 16 lbs | 16 lbs |
| Width | 17.3 inches | 17.3 inches | 17.3 inches | 17.5 inches | 17.6 inches |
Compliance & Warranty
100% Genuine Product Guarantee
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
Up to 3-Year Warranty Coverage
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
Hassle-Free RMA & Returns
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Rigorously Tested & Quality Assured
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Expert Technical Support
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
Fast Global Delivery
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviews & Ratings
K
Kevin Lewis
5
28-port gigabit switch ensures reliable, smooth network connectivity and professional-grade performance.
L
Lara Mitchell
5
Easy-to-manage and stable, perfect for mid-sized office networks.
M
Marcus Nelson
5
Durable switch with consistent throughput across all ports.
N
Nina Oliver
5
Professional-grade managed switch with minimal downtime.
O
Oscar Perez
5
Smooth operation and reliable connectivity for enterprise applications.
Questions & Answers
What are the key features of the Cisco SG500-28 28-port Gigabit Stackable Managed Switch?
The Cisco SG500-28 offers 28 Gigabit Ethernet ports, two combo SFP uplinks, Layer 2 and basic Layer 3 static routing, advanced QoS, VLAN segmentation, IPv6 support and stackable design for up to four units.
How many Cisco SG500-28 switches can be stacked together?
You can stack up to four Cisco SG500-28 switches using Cisco-approved stacking cables to create a single logical switch with unified management and increased resilience.
Which management interfaces are available on the SG500-28?
The SG500-28 supports management via an intuitive web-based GUI, a CLI accessible by SSH or console port, and SNMP for integration with network monitoring tools.
Does the Cisco SG500-28 switch support Layer 3 routing?
Yes, the SG500-28 provides basic Layer 3 static routing for inter-VLAN communication, enhancing network segmentation without requiring a dedicated router.
What VLAN features does the SG500-28 offer?
The SG500-28 supports up to 256 VLANs, 4,094 VLAN IDs with 802.1Q tagging, Voice VLAN, Private VLAN Edge and VLAN Access Control Lists for granular traffic management.
Is Power over Ethernet (PoE) supported on the Cisco SG500-28?
No, the SG500-28 model does not support PoE; it is a non-PoE switch designed to deliver high-speed data connectivity only.
What uplink options are available on the SG500-28?
The SG500-28 includes two combo SFP Gigabit uplinks, allowing you to connect fiber or copper uplinks for flexible network interconnection.
What is the switching capacity and forwarding rate of the SG500-28?
The SG500-28 delivers a non-blocking switching capacity of 56 Gbps and a packet forwarding rate up to 41.67 Mpps for wire-speed performance.
What Quality of Service (QoS) features are supported?
The SG500-28 provides 8 hardware queues per port, 802.1p and DSCP classification, traffic policing, shaping, priority scheduling and weighted fair queuing for traffic prioritization.
Does the SG500-28 support IPv6?
Yes, the SG500-28 supports full IPv6 host and management connectivity, including IPv6 ACLs and static routing, ensuring readiness for next-generation networks.
What security features are included in the SG500-28?
The SG500-28 offers features such as 802.1X port authentication, DHCP snooping, IP source guard, dynamic ARP inspection and Access Control Lists to protect against network threats.
Which redundancy features are available on the SG500-28?
The SG500-28 supports Spanning Tree Protocol (STP), Rapid PVST+, MSTP and link aggregation with LACP to ensure high availability and loop-free topologies.
How energy efficient is the Cisco SG500-28?
The SG500-28 is built with energy-efficient Ethernet (IEEE 802.3az) support, variable-speed fans and intelligent power management to minimize operating costs.
What warranty and support options come with the SG500-28?
Cisco provides a limited lifetime hardware warranty for the SG500-28, backed by 90-day software updates and optional SMARTnet® support for advanced services.
What are the ideal use cases for the SG500-28 switch?
The SG500-28 is ideal for small to medium-sized enterprises requiring high-density Gigabit access, inter-VLAN routing, link aggregation and simplified stackable management.
How do I perform a factory reset on the Cisco SG500-28?
To factory reset the SG500-28, press and hold the MODE button on the front panel for 10 seconds until the LEDs blink, then release to restore default settings.