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Plug-and-play switch for small teams.
J9979A
HPE 1820-8G Switch
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J9979A
- Description:
- HPE 1820-8G Switch
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J9979A Overview
J9979A is a high-performance enterprise switch built with a modular architecture that supports both Layer 2 and Layer 3 operations. Designed for scalability, it offers multiple power options including an AC power supply with redundant support, a versatile port configuration with 24–48 Ethernet ports, and 4 dedicated SFP uplink ports to meet diverse connectivity needs.
J9979A features advanced stacking capabilities for simplified network expansion and robust performance under heavy traffic loads. Its compact 1 RU rack-mount design, integrated POE+ support, and optimized switching capacity make it ideal for campus networks, data centers, and branch office deployments.
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J9979A Specifications
- Product Type
- Switch
- Power Source
- AC Power Supply
- Layer Supported
- Layer 2 / Layer 3
- Form Factor
- Rack-mount
- Power Consumption
- 150 W
- 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
- Yes
- Manufacturer Part Number
- J9979A
- Uplink Configuration
- 10G
- IOS
- LAN Base
- POE Support
- 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 Ethernet ports, 4 x 1/10G SFP slots
- Flash Memory
- 64 MB
- Switching Capacity
- 128 Gbps
- Switching Capacity with Stacking
- 256 Gbps
- Product Name
- J9979A Enterprise Stackable Switch
- Height
- 1.75 inches
- Width
- 17.5 inches
- Depth
- 11 inches
- Weight
- 15 lbs
J9979A Use Case
Secure SMB Network Segmentation with J9979A-HPE 1820-8G Switch
In a small to mid-size business requiring strict separation of corporate, guest and IoT traffic, the J9979A-HPE 1820-8G Switch delivers hardware-accelerated VLANs and Access Control Lists. IT teams segment voice, data and guest networks on a single 8-port switch, eliminating security risks while maintaining Line-rate performance. Outcome: Enhanced security posture, simplified management and compliance-ready network zones.
High-Priority VoIP & Video Conferencing with J9979A-HPE 1820-8G Switch
Professional services firms deploying VoIP phones and HD video conferencing leverage the 1820-8G’s advanced QoS and traffic-prioritization features. By classifying VoIP and video streams into dedicated queues, the J9979A reduces jitter and packet loss even during peak hours. Outcome: Crystal-clear voice/video quality, fewer dropped calls and improved end-user satisfaction.
Redundant Branch-Office Uplink with Link Aggregation on J9979A-HPE 1820-8G Switch
Regional offices requiring resilient connectivity to a corporate data center implement link aggregation on the HPE 1820-8G switch. Aggregating two Gigabit uplinks ensures active/active failover and doubled bandwidth over a single trunk. Outcome: Maximum uptime, seamless failover and scalable throughput for critical business applications.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 J9979A |  JH327A |  JL385A |  JG925A |  JL382A | |
|---|---|---|---|---|---|
| Depth | 11 inches | 12 inches | 14 inches | 17 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 | 256 MB | 256 MB | 256 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.75 inches | 1.75 inches | 1.75 inches | 1.75 inches | 1 inch |
| IOS | LAN Base | IP Services | IP Services | IP Services | IP Services |
| 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 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | J9979A | JH327A | JL385A | JG925A | JL382A |
| Media Type Supported | Combo | Combo | Combo | Combo | Twisted Pair / Fiber |
| Memory | 256 MB | 256 MB | 512 MB | 512 MB | 512 MB |
| Number of Downlink Ports | 24 Ports | 24 Ports | 24 Ports | 24 Ports | 24 Ports |
| Number of Ethernet Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports |
| POE Support | POE+ | POE+ | POE+ | POE+ | POE+ |
| Port/Expansion Slot Details | 24 x 10/100/1000 Ethernet ports, 4 x 1/10G SFP slots | 24 Gigabit Ethernet ports, 4 SFP uplink ports | 4 Port Expansion Slots | 24 x 10/100/1000 RJ45 ports, 4 x 10G SFP+ ports | 2 expansion slots available |
| Power Consumption | 150 W | 150W | 75 W | N/A | 75 W |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | Redundant Power Supply / AC Power Supply | Redundant Power Supply / AC Power Supply |
| Product Name | J9979A Enterprise Stackable Switch | JH327A High-Performance Managed Switch | JL385A Enterprise Stackable Switch | JG925A High-Performance Network Switch | JL382A High Performance Rack-Mount Switch |
| Product Type | Switch | Switch | Switch | Switch | Switch |
| Rack Units | 1 RU | 1 RU | 1 RU | 1 RU | 1 RU |
| Redundant Power Supply Supported | Yes | Yes | Yes | Yes | Yes |
| SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 128 Gbps | 320 Gbps | 176 Gbps | 320 Gbps | 128 Gbps |
| Switching Capacity with Stacking | 256 Gbps | 640 Gbps | 352 Gbps | 640 Gbps | 256 Gbps |
| Uplink Configuration | 10G | 10G | 10G | 10G | 1G / 10G |
| Weight | 15 lbs | 8 lbs | 15 lbs | 15 lbs | 15 lbs |
| Width | 17.5 inches | 17 inches | 17.5 inches | 19 inches | 17 inches |
Reviews & Ratings
I
Imran Calder
4
Reliable unmanaged performance.
P
Pavel Novak
5
Consistent connectivity.
S
Sajid Greene
3
No maintenance required.
K
Kevin Morris
4
Simple and dependable.
Questions & Answers
What is the HPE 1820-8G Switch (SKU J9979A)?
The HPE 1820-8G Switch (SKU J9979A) is an 8-port Gigabit Ethernet Smart-managed Layer 2 switch with a fanless design and web-based interface, optimized for small and medium business networks.
How many Ethernet ports and what speeds does the HPE 1820-8G offer?
The switch provides eight 10/100/1000 Mbps RJ-45 ports delivering full-duplex Gigabit performance on all copper links.
Does the HPE 1820-8G support Power over Ethernet (PoE)?
No, the J9979A model is a non-PoE switch. For PoE requirements, consider the HPE 1820-8G-PoE (SKU J9981A) variant.
What management interfaces are available on the HPE 1820-8G?
Management options include an intuitive web GUI, HTTPS, SNMP v1/v2c, RMON, DHCP-based auto-provisioning and IPv6 host management.