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Adam Fitzgerald
5
QSFP+ module delivered excellent throughput.
JH155A
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5510 2-PORT QSFP+ MODULE PL=34
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JH155A
- Description:
- 5510 2-PORT QSFP+ MODULE PL=34
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- Hpe
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JH155A Overview
JH155A is a high-performance, stackable network switch designed with a robust architecture that supports both advanced power options and enhanced scalability. It features extensive port options including multiple Ethernet and SFP uplink ports, ensuring optimal connectivity for small to medium enterprises while delivering consistent performance and low latency in mission-critical applications.
JH155A’s design emphasizes reliability and flexibility, offering redundant power supply support and comprehensive stacking capabilities for simplified management and expanded throughput. Ideal for data centers, branch offices, and campus networks, this switch meets demanding use cases by balancing efficient power consumption, advanced hardware features, and complete network visibility.
JH155A price is is available on request. Get immediate quote.
Request bulk order quote for JH155A for additional pricing. Browse the full Hpe 55Xx Modules series or explore all Hpe products.
JH155A Specifications
- Product Type
- Switch
- Power Source
- Redundant Power Supply / AC Power Supply
- Layer Supported
- Layer 2
- Form Factor
- Rack-mount
- Power Consumption
- 50 W
- Number of Ethernet Ports
- 24–48 Ports
- Number of Downlink Ports
- 8 Ports
- Manageable
- Managed
- Ethernet Technology
- 10/100/1000
- Media Type Supported
- Combo
- Redundant Power Supply Supported
- Yes
- Manufacturer Part Number
- JH155A
- Uplink Configuration
- 1G
- IOS
- IP Services
- POE Support
- POE+
- SFP Ports
- 4 SFP Ports
- Memory
- 256 MB
- Rack Units
- 1 RU
- Interface Ports
- 10/100/1000
- Port/Expansion Slot Details
- 8 x 10/100/1000 Ethernet ports, 4 x SFP uplink ports
- Flash Memory
- 64 MB
- Switching Capacity
- 128 Gbps
- Switching Capacity with Stacking
- 256 Gbps
- Product Name
- JH155A Stackable Gigabit Ethernet Switch
- Height
- 1 inches
- Width
- 17 inches
- Depth
- 15 inches
- Weight
- 7 lbs
JH155A Use Case
High-Density 40GbE Core Uplinks in Hyperscale Data Centers with JH155A-5510 2-Port QSFP+ Module PL=34
In a hyperscale data center migration from 10GbE to 40GbE, network architects deploy the JH155A-5510 2-Port QSFP+ Module PL=34 in spine switches to aggregate server racks into two native 40GbE uplinks. This real-world implementation doubles throughput per slot, halves port utilization and lowers capex/Gbps, delivering streamlined cabling, reduced energy consumption and scalable backbone capacity.
Ultra-Low-Latency Trading Infrastructure Using JH155A-5510 2-Port QSFP+ Module PL=34
In a financial trading firm’s high-frequency environment, engineers install JH155A-5510 2-Port QSFP+ Module PL=34 in ultra-low-latency 40GbE switches to interconnect matching engines and risk servers. The module’s precise PL=34 calibration guarantees sub-2µs port-to-port latency, minimizing round-trip times, accelerating order execution and ensuring compliance with exchange-mandated latency SLAs.
Scalable HPC Cluster Interconnects with JH155A-5510 2-Port QSFP+ Module PL=34
In a university research HPC cluster, system administrators integrate JH155A-5510 2-Port QSFP+ Module PL=34 in a 40GbE leaf-spine fabric to link GPU compute nodes and storage arrays. This deployment delivers high-bandwidth, low-latency interconnect essential for parallel AI/ML workloads, enabling efficient data exchange, reduced simulation runtimes and optimized resource utilization at scale.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| JH155A |  JH323A |  JG708A |  JE072B |  JG912A | |
|---|---|---|---|---|---|
| Depth | 15 inches | 15 inches | 18 inches | 12 inches | 28 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 64 MB | 32 MB | 64 MB | 64 MB | 64 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1 inches | 1 inches | 1.75 inches | 1 inch | 1.75 inches |
| IOS | IP Services | 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 2 / Layer 3 | Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | JH155A | JH323A | JG708A | JE072B | JG912A |
| Media Type Supported | Combo | Combo | Combo | Combo | Combo |
| Memory | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Number of Downlink Ports | 8 Ports | 24 Ports | 48 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 | 8 x 10/100/1000 Ethernet ports, 4 x SFP uplink ports | 2 expansion slots | N/A | 2 expansion slots | 24 Ethernet Ports, 4 SFP Ports with stacking capabilities |
| Power Consumption | 50 W | 45W | N/A | 150W | 75 W |
| Power Source | Redundant Power Supply / AC Power Supply | AC Power Supply | AC Power Supply | Redundant Power Supply | AC Power Supply |
| Product Name | JH155A Stackable Gigabit Ethernet Switch | JH323A High-Performance Managed Switch | JG708A Network Switch | JE072B Enterprise Modular Switch | JG912A High-Performance Stacking 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 | 24 SFP Ports | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 128 Gbps | 128 Gbps | N/A | 320 Gbps | 128 Gbps |
| Switching Capacity with Stacking | 256 Gbps | 256 Gbps | N/A | 640 Gbps | 256 Gbps |
| Uplink Configuration | 1G | 1G | 10G | 10G | 10G |
| Weight | 7 lbs | 15 lbs | N/A | 15 lbs | 18 lbs |
| Width | 17 inches | 17 inches | 17.5 inches | 17 inches | 17.5 inches |
Reviews & Ratings
S
Shahzaib Malik
5
Stable performance for high-density networking.
R
Romain Petit
4
Reliable module for core network expansion.
H
Hassan Tariq
5
Worked flawlessly in production.
N
Neil Patterson
4
Strong enterprise-grade networking module.
Questions & Answers
What is the HPE JH155A 5510 2-Port QSFP+ Module PL=34?
The HPE JH155A is a hot-pluggable expansion module for 5510 switches that provides two 40 GbE QSFP+ ports for high-density uplink connectivity.
What does PL=34 signify on the JH155A module?
PL=34 is HPE’s product-level code indicating the specific hardware revision and firmware feature set of this QSFP+ module.
Which switches are compatible with the JH155A module?
The JH155A is compatible with HPE/Aruba 5510 series chassis switches that offer QSFP+ expansion slots.
What link speeds does the JH155A support?
Each QSFP+ port supports full 40 Gbps operation and can break out to four 10 Gbps SFP+ links.
Can I use QSFP+ to 4×SFP+ breakout cables with this module?
Yes, the JH155A supports QSFP+ to 4×10 Gbps breakout cables or direct-attach optics on each port.
Which fiber transceivers are supported by the JH155A?
It supports HPE QSFP+ SR4 for multimode fiber, LR4 for single-mode fiber, and BiDi variants where applicable.
What is the maximum fiber reach for this module?
Using SR4 transceivers on OM3 multimode fiber, reach is up to 100 m; LR4 on single-mode fiber extends to 10 km.
How do I install the JH155A module in a 5510 switch?
Align the module with the guide rails, slide it fully into the expansion slot, and secure the captive screws; no tools are required.
Does the JH155A module support hot-swapping?
Yes, you can insert or remove the JH155A without powering down the switch, minimizing network downtime.
What is the power consumption of the JH155A?
Typical power draw is 12 W, with a maximum of 15 W under full load conditions.
What operating temperature range does the module require?
The module operates reliably in ambient temperatures between 0 °C and 40 °C (32 °F to 104 °F).
How can I verify the module status after installation?
Use the switch CLI command "show module" or observe the front-panel LED: solid green indicates normal operation.
Is the JH155A covered by an HPE warranty?
Yes, it carries HPE’s limited lifetime warranty; service terms vary by region and support contract level.
Can I mix JH155A modules with other HPE expansion modules?
Yes, you can install JH155A modules alongside other compatible modules, subject to available slots and system allocation rules.
How many JH155A modules can a 5510 chassis support?
Depending on the switch model, a 5510 chassis can accommodate up to eight 2-port QSFP+ modules.
Where can I purchase genuine HPE JH155A modules?
Purchase through authorized HPE resellers, the official HPE online store, or certified channel partners to ensure authenticity and warranty coverage.