JL251A HPE 40G QSFP+ LC network transceiver module 40000 Mbit/s QSFP+

Name: JL251A HPE 40G QSFP+ LC network transceiver module 40000 Mbit/s QSFP+
Brand: HPE
SKU: JL251A-VHBRSN
Price: 141.90 USD
Availability: InStock
Rating: 5 (15 reviews)

Mfr. Part #: JL251A

Brand: Hpe

Condition: New

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40G QSFP+ LC

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overview

specifications

faqs

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overview

JL251A Overview

HPE JL251A X140 - Qsfp+ Transceiver Module - 40 Gigabit Ethernet.

Summary Description

HPE 40G QSFP+ LC. Maximum data transfer rate: 40000 Mbit/s, Interface type: QSFP+, Fiber optic connector: LC. Product colour: Aluminium. Width: 18.4 mm, Depth: 121.9 mm, Height: 13 mm. Number of products included: 1 pc(s)

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specifications

Specifications

Overview

Condition	New
Brand	HPE
Stock	In Stock

Performance

Maximum data transfer rate	40000 Mbit/s
Interface type	QSFP+
Fiber optic connector	LC
Fiber ports quantity	1

Features

Product colour	Aluminium

Weight & dimensions

Width	18.4 mm
Depth	121.9 mm
Height	13 mm
Weight	650 g

Packaging data

Number of products included	1 pc(s)

Logistics data

Harmonized System (HS) code	85369010

faqs

Frequently Asked Questions

What is the primary function of the HPE JL251A-VHBRSN 40G QSFP+ transceiver? +

The HPE JL251A-VHBRSN is a high-performance 40G QSFP+ transceiver module designed for high-density data center environments. It is specifically engineered to provide robust 40 Gigabit Ethernet connectivity, enabling rapid data transmission over fiber optic infrastructure. This module is essential for organizations looking to scale their network backbone or aggregate traffic from multiple 10G links into a single, high-speed 40G uplink.

Which networking equipment is compatible with the JL251A-VHBRSN module? +

This transceiver is designed for seamless integration with a wide range of HPE Aruba switches and routers that feature standard QSFP+ ports. To ensure optimal performance and avoid link errors, it is recommended to verify your specific switch model’s datasheet to confirm support for 40G QSFP+ interfaces. It provides a standardized plug-and-play experience for modern HPE enterprise network environments.

What type of cabling does the HPE 40G QSFP+ transceiver support? +

The JL251A-VHBRSN utilizes an LC connector interface, which is standard for fiber optic deployments. It is designed to work with compatible multi-mode or single-mode fiber patch cables depending on the specific reach requirements of your network. Users should ensure their existing cabling infrastructure matches the transceiver’s specifications to maintain signal integrity and prevent packet loss during high-bandwidth data transfers.

How does the JL251A-VHBRSN improve overall network performance? +

By utilizing this 40G module, your network benefits from significantly higher throughput and reduced latency compared to legacy 10G solutions. It effectively removes bottlenecks in data-heavy environments such as virtualization clusters, server-to-switch interconnects, and high-performance computing racks. Implementing this module allows your infrastructure to handle increased traffic demands without requiring a complete overhaul of your core switching hardware.

Can the JL251A-VHBRSN be hot-swapped during network operation? +

Yes, this QSFP+ module supports hot-swapping, allowing you to install or replace the transceiver while the host device is powered on and running. This feature is critical for enterprise environments that require 24/7 uptime, as it enables maintenance or hardware upgrades without disrupting the entire network fabric or forcing a system reboot of your core switches.

What deployment scenarios are best suited for this 40G QSFP+ module? +

This module is ideal for top-of-rack (ToR) switching deployments, data center core uplinks, and high-speed inter-switch links (ISLs). Because it offers high port density and significant bandwidth, it is perfectly suited for modern enterprise networks that require reliable, high-speed connections between server blades and the core network layer, ensuring consistent performance during peak operational loads.

Does the JL251A-VHBRSN require specific firmware updates for my HPE switch? +

While the transceiver is generally plug-and-play, keeping your switch firmware updated to the latest version recommended by HPE is best practice. Regular firmware updates ensure that the switch can correctly identify the module, optimize power management settings, and provide accurate diagnostic readouts through the command-line interface, which helps in monitoring the health and status of your optical links.

How should I monitor the status of the JL251A-VHBRSN once installed? +

Once connected, you can monitor the module using the management interface of your HPE switch. Most modern systems provide Digital Optical Monitoring (DOM) capabilities, allowing you to view real-time data such as optical transmit and receive power, temperature, and voltage. These metrics are vital for proactive troubleshooting and ensuring that your fiber connections remain within the manufacturer’s specified operating parameters.

How can I obtain a bulk quote for large quantities of JL251A-VHBRSN modules? +

If you are planning a large-scale infrastructure deployment, BuyRouterSwitch.com makes the procurement process efficient. Simply navigate to our contact page or use our dedicated quote request form to provide the SKU and desired quantity. Our sales team specializes in high-volume orders and will provide a competitive, formal pricing proposal tailored to your enterprise project requirements.

Why should I choose BuyRouterSwitch.com for my networking hardware needs? +

BuyRouterSwitch.com is a trusted source for authentic enterprise-grade networking components. We prioritize secure ordering processes and direct access to hard-to-find hardware, ensuring your supply chain remains uninterrupted. By choosing us, you benefit from a streamlined procurement experience focused on accuracy, reliability, and professional support, making us the preferred partner for IT managers and procurement teams worldwide.

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