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JG309B
- Description:
- HPE 5120 8G PoE+ (180W) SI Switch
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3 Year Extended Warranty
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Express Delivery Across the USA
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Standard ground delivery across the U.S. takes 2–6 days, depending on your location — no extra charge.
International Shipments Made Simple
For all international orders, we ship via your UPS, FedEx, or DHL account — or to your U.S.-based freight forwarder.
Delivery Timelines
Under 100 KG? Ships Express.
Smaller shipments go via DHL or FedEx Express — delivered worldwide in approximately 3 business days.
Over 100 KG? Ships via Freight.
Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.
Always Delivered to Your Door
Every shipment is delivered directly to your address — regardless of country or carrier.
Our best-in-class warranties
3-Year Extended Warranty
Extended protection, enterprise-grade.
All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
Professional repairs & replacements.
If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
RMA process, simplified.
Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
Service Boundaries & Exclusions
What’s covered — and what’s best avoided.
Your warranty covers defects under normal use. For continued protection, avoid accidental damage, unauthorized repairs, third-party parts, or extreme environments.
Know your location’s service type.
In some regions, return-to-factory or remote service may apply. On-site service depends on infrastructure availability.
Minimal documentation required.
To initiate service, just submit the invoice and warranty card — no red tape, no waiting.
14-Day Money Back Guarantee
Free 14-Day Returns
Tested it, but it’s not a fit?
Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.
Initiate returns with ease.
Our RMA process is streamlined — just raise a request, follow the packaging guidelines, and we’ll handle the rest.
Refund or restock, your call.
Changed your mind? Get a refund (restocking fees may apply) or swap with another product.
30-Day Hardware Replacement
Covered for any early faults.
All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.
Replacements shipped in 10 days or less.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.
RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
TRUSTED, TRIED, PROVEN
JG309B Overview
JG309B is a cutting-edge network switch engineered with a modular and scalable architecture to meet the rigorous demands of modern enterprise networks. It features multiple power options, including an integrated AC power supply with redundant support, ensuring high reliability while efficiently managing traffic across diverse network segments.
The device comes equipped with a versatile port configuration offering 24–48 Ethernet ports alongside 4 SFP uplink ports supporting 10G connectivity. Designed for high performance and seamless stacking, JG309B delivers a robust switching capacity and enhanced scalability for data centers, campus environments, and other high-demand network applications.
What is the price of JG309B?
Pricing for JG309B is available on request. Get immediate quote or for exclusive discounts, opt for bulk quotation for JG309B.
Explore more options from Switches or explore other Hpe products.
JG309B Specifications
| Product Type | Switch |
| Power Source | AC Power Supply |
| Layer Supported | Layer 3 |
| Form Factor | Rack-mount |
| Power Consumption | 85 W |
| 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 |
| Redundant Power Supply Supported | Yes |
| Manufacturer Part Number | JG309B |
| Uplink Configuration | 10G |
| IOS | IP Services |
| POE Support | POE+ |
| SFP Ports | 4 SFP Ports |
| Memory | 512 MB |
| Rack Units | 1 RU |
| Interface Ports | 10/100/1000 |
| Port/Expansion Slot Details | 24 Ethernet ports and 4 SFP uplink ports |
| Flash Memory | 256 MB |
| Switching Capacity | 640 Gbps |
| Switching Capacity With Stacking | 1.28 Tbps |
| Product Name | JG309B High-Performance Network Switch |
| Height | 1.75 inches |
| Width | 17.5 inches |
| Depth | 12 inches |
| Weight | 15 lbs |
JG309B Use Case
High-Density PoE+ Deployment in Corporate Offices
In a multi-floor corporate headquarters, IT teams deploy the JG309B-HPE 5120 8G PoE+ (180W) SI Switch to power 30+ Wi-Fi 6 access points, IP phones and security cameras using a single 180W PoE budget. The switch’s Smart Rate and VLAN segmentation simplify network design and ensure voice/data separation. Outcome: streamlined cabling, centralized PoE management and 99.99% uptime for unified communications.
Retail Edge Security and IoT Integration
A nationwide retail chain leverages the JG309B-HPE 5120 8G PoE+ (180W) SI Switch at each store’s network closet to power IP surveillance cameras, digital signage and Bluetooth foot-traffic sensors. With built-in LLDP-MED and QoS prioritization, the switch guarantees reliable video streams and real-time analytics. Outcome: enhanced loss prevention, actionable customer insights and faster IoT deployments with zero downtime.
Industrial Automation with Redundant Connectivity
In a precision-manufacturing plant, engineers install the JG309B-HPE 5120 8G PoE+ (180W) SI Switch on the factory floor to supply power and data to PLCs, safety sensors and wireless HMI panels. Integrated Smart Link and Rapid Ring technologies deliver sub-50ms failover between uplinks. Outcome: deterministic network performance, reduced unplanned downtime and simplified remote diagnostics for critical automation lines.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Depth | 12 inches | 12 inches | 10 inches | 14 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 | 32 MB | 32 MB | 256 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.75 inches | 1 inch | 1.75 inches | 1.75 inches | 1.75 inches |
| Interface Ports | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| IOS | IP Services | IP Services | IP Services | IP Services | IP Services |
| Layer Supported | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 3 | Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | JG091B | JE072B | JE073B | JE074B | JG309B |
| Media Type Supported | Combo | Combo | Twisted Pair | Combo | Twisted Pair |
| Memory | 256 MB | 256 MB | 256 MB | 256 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 fixed Ethernet ports and 4 dedicated SFP uplink slots | 2 expansion slots | N/A | Modular uplink expansion slots available for additional SFP modules | 24 Ethernet ports and 4 SFP uplink ports |
| Power Consumption | 35 W | 150W | N/A | 150 W | 85 W |
| Power Source | AC Power Supply | Redundant Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | JG091B Enterprise Managed Switch | JE072B Enterprise Modular Switch | JE073B Enterprise Switch | JE074B Enterprise Network Switch | JG309B High-Performance Network 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 | 176 Gbps | 320 Gbps | N/A | 320 Gbps | 640 Gbps |
| Switching Capacity with Stacking | 352 Gbps | 640 Gbps | N/A | 640 Gbps | 1.28 Tbps |
| Uplink Configuration | 10G | 10G | 1G | 10G | 10G |
| Weight | 12 lbs | 15 lbs | 5 lbs | 15 lbs | 15 lbs |
| Width | 17.5 inches | 17 inches | 17.5 inches | 17.5 inches | 17.5 inches |
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Questions & Answers
Q
What is the HPE 5120 8G PoE+ (180W) SI Switch (SKU: JG309B)?
A
The HPE 5120 8G PoE+ (180W) SI Switch is a stackable, Layer 2+ managed Gigabit Ethernet switch offering eight PoE+ ports with a total 180W power budget, ideal for small to medium business networks.
Q
How many ports does the JG309B switch provide?
A
The JG309B features eight 10/100/1000 Mbps RJ-45 PoE+ ports and two dedicated 10 GbE SFP+ uplink ports for high-speed aggregation.
Q
What is the maximum PoE+ power budget of this switch?
A
This switch delivers up to 180 W of total PoE+ power, supporting up to eight PDs at 30 W each for devices like IP phones and wireless access points.
Q
Which Layer 2 and Layer 3 features are supported?
A
It supports Layer 2 switching (VLAN, Spanning Tree, QoS) plus basic Layer 3 functions such as static routing, RIP, and DHCP relay for flexible traffic management.
Q
Can the HPE 5120 8G PoE+ (180W) SI Switch be stacked?
A
Yes, it supports HPE Intelligent Resilient Framework (IRF) stacking of up to 12 units, providing simplified management and high availability.
Q
What management options are available on the JG309B?
A
You can manage the switch via a web GUI, CLI (SSH/telnet), SNMP v1/2/3 or HPE Intelligent Management Center (IMC) for centralized control.
Q
Does the switch include security features?
A
It offers 802.1X port-based access control, ACLs, DHCP snooping, IP source guard and ARP inspection to safeguard network integrity.
Q
How energy-efficient is the JG309B switch?
A
The switch complies with IEEE 802.3az (Energy Efficient Ethernet) and features fan speed control, optimizing power consumption under varying loads.
Q
What are the physical dimensions and weight?
A
The chassis measures 1.73" × 17.3" × 9.8" (H×W×D) and weighs approximately 4.2 lbs, fitting standard 19" racks or desktop deployments.
Q
Which power supply does the JG309B use?
A
It uses an internal 100–240 VAC universal power supply supporting 50/60 Hz, with an 180 W PoE+ budget.
Q
What warranty and support does HPE provide?
A
HPE offers a limited lifetime warranty on the switch hardware plus 1-year 24×7 phone support; optional Care Pack upgrades extend coverage and response times.
Q
How do I configure VLANs on this switch?
A
You can create and assign VLANs via the web GUI or CLI using the “vlan” command set, enabling network segmentation and traffic isolation.
Q
Does the HPE 5120 support Quality of Service (QoS)?
A
Yes, it provides eight hardware queues per port, 802.1p priority, DSCP remarking and rate limiting to ensure traffic prioritization.
Q
Is firmware upgradable on the JG309B?
A
Firmware can be updated through the web interface or CLI using TFTP/FTP/SFTP, ensuring access to the latest features and security patches.
Q
What network applications are ideal for this switch?
A
This switch excels in VoIP, wireless LAN backhaul, surveillance cameras and small enterprise aggregation thanks to its PoE+ and stacking capabilities.
Q
How do I monitor switch performance and health?
A
You can monitor metrics via SNMP, RMON or HPE IMC, and view real-time status, PoE usage and event logs through the built-in web GUI.
