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40G DAC delivered reliable interconnects.
JG328A
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HP X240 40G QSFP+ QSFP+ 5M DAC CABLE PL-NT
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JG328A
- Description:
- HP X240 40G QSFP+ QSFP+ 5M DAC CABLE PL-NT
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JG328A Overview
JG328A is an SFP transceiver that supports a 10G data rate over LC connectors with a short-range transmission capability. It is engineered to operate with Ethernet and Fibre Channel protocols, and comes in a compact SFP form factor with industry-standard physical dimensions ideal for seamless integration in modern data centers.
Designed for high-density enterprise networks, telecom infrastructures, and data center applications, JG328A delivers reliable performance while conserving space. Its precision design and robust compatibility with established network hardware make it an efficient and effective solution for short-range optical interconnects.
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JG328A Specifications
- Product Type
- Transceiver
- Form Factor
- SFP
- Data Rate
- 10G
- Connector Type
- LC
- Wavelength
- 1310 nm
- Transmission Distance
- Short-Range
- Fiber Type
- Multi-mode
- Max Distance
- 300 m
- Supported Protocols
- Ethernet, Fibre Channel
- Network Interface
- Fiber
- Power Consumption
- 1.5W
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Compatibility
- Cisco, Juniper, Huawei, Arista
- Product Name
- JG328A 10G SFP Transceiver
- Height
- 1.65 inches
- Width
- 2.2 inches
- Depth
- 1.0 inches
- Weight
- 0.1 lbs
JG328A Use Case
High-Density Top-of-Rack Inter-Switch Connectivity
In enterprise data centers, the JG328A-HP X240 40G QSFP+ QSFP+ 5M DAC CABLE PL-NT provides a cost-effective, ultra-low-latency 40 Gbps link between top-of-rack switches. By replacing fiber with this direct-attach copper solution, operators maximize port density, simplify cabling, and cut power consumption—driving down total cost of ownership.
Ultra-Low-Latency HPC Cluster Interconnect
Supercomputing and AI training clusters leverage the JG328A-HP X240 40G QSFP+ QSFP+ 5M DAC CABLE PL-NT to connect GPU-accelerated nodes to high-performance switches. This 5 meter DAC ensures consistent 40 Gbps throughput with sub-microsecond latency, accelerating parallel workloads and improving job completion times while maintaining energy efficiency.
Rapid SAN Backup and Disaster-Recovery Replication
Enterprise storage environments use the JG328A-HP X240 40G QSFP+ QSFP+ 5M DAC CABLE PL-NT to link 40 Gbps SAN switches and backup appliances over short rack distances. The direct-attach copper cable guarantees predictable bandwidth for online backups and replication tasks, reducing RTO/RPO windows and ensuring business-critical data availability.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| JG328A |  JG709A |  JD089B |  JD092B |  JG331A | |
|---|---|---|---|---|---|
| Compatibility | Cisco, Juniper, Huawei, Arista | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista |
| Connector Type | LC | LC | LC | LC | LC |
| Data Rate | 10G | 10G | 10G | 10G | 10G |
| Depth | 1.0 inches | 0.3 inches | 0.80 inches | 1.6 inches | 0.65 inches |
| Fiber Type | Multi-mode | Multi-mode | Single-mode | Single-mode | Multi-mode |
| Form Factor | SFP | SFP+ | SFP+ | SFP+ | SFP+ |
| Height | 1.65 inches | 0.6 inches | 0.32 inches | 0.75 inches | 0.25 inches |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Max Distance | 300 m | 300 meters | 80 km | 10 km | 300m |
| Network Interface | Fiber | Fiber | Fiber | Fiber | Fiber |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Power Consumption | 1.5W | N/A | 3.5W | 3.5 W | 3.5W |
| Product Name | JG328A 10G SFP Transceiver | JG709A SFP+ Transceiver Module | JD089B 10G Extended-Range SFP+ Transceiver | JD092B 10G SFP+ LR Transceiver | JG331A 10G SFP+ Transceiver |
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Supported Protocols | Ethernet, Fibre Channel | Ethernet, Fibre Channel | Ethernet | Ethernet | Ethernet |
| Transmission Distance | Short-Range | Short-Range | Extended-Range | Long-Range | Short-Range |
| Wavelength | 1310 nm | N/A | 1310nm | 1310 nm | 850nm |
| Weight | 0.1 lbs | N/A | 0.12 lbs | 0.2 lbs | 0.1 lbs |
| Width | 2.2 inches | 0.2 inches | 0.50 inches | 0.5 inches | 0.55 inches |
Reviews & Ratings
F
Furqan Aziz
5
Low latency and solid build.
S
Soren Nielsen
5
Easy rack deployment.
B
Bilal Saeed
5
Consistent throughput.
P
Patrick Doyle
5
Good QSFP+ DAC.
Questions & Answers
What is the HP X240 40G QSFP+ to QSFP+ 5M DAC Cable PL-NT?
The HP X240 40G QSFP+ to QSFP+ 5M DAC Cable PL-NT (JG328A) is a passive direct-attach copper (DAC) cable providing a 5-meter, 40 Gbps connection between QSFP+ ports for high-speed data center interconnects.
What performance does this 40G direct attach cable deliver?
This DAC cable supports full-duplex 40 Gigabit Ethernet at 40 Gbps line rate with ultra-low latency and minimal power consumption, ensuring consistent high-speed data transfers up to 5 meters.
Is the HP JG328A DAC cable compatible with all QSFP+ ports?
Yes. The JG328A is fully compatible with any industry-standard QSFP+ port supporting direct-attach twinax copper cables, including HPE, Cisco, Arista, Juniper, Dell and Brocade equipment.
Which switches and servers are officially supported?
The HP X240 40G QSFP+ DAC is validated on HPE Aruba switches and c-Class blade servers, as well as multi-vendor platforms from Cisco, Arista, Juniper, Dell and Brocade for guaranteed interoperability.