HPE Aruba 40GBASE-LR4L QSFP+ 1310nm 2km Module

Product Description

HPE Aruba 40GBASE-LR4L QSFP+ 1310nm 2km Module

Network lag killing your 40G backbone? The HPE Aruba 40GBASE-LR4L QSFP+ 1310nm 2km Module stabilizes long-distance fiber links without signal loss or packet instability.

High-density networks demand consistent optical performance. Data centers, enterprise switching environments, and campus networks rely on dependable optical modules to maintain stable throughput. The HPE Aruba 40GBASE-LR4L QSFP+ module addresses this challenge by delivering reliable 40-gigabit connectivity across single-mode fiber links up to two kilometers.

Built for modern high-speed infrastructures, this optical transceiver integrates smoothly with Aruba networking platforms and other compatible systems. IT administrators across Bangladesh deploy this module in aggregation layers, high-capacity switch uplinks, and long-range network backbones.

Available through PCB Store, a trusted retailer for networking hardware in Bangladesh, the module supports enterprise-grade deployment with dependable after-sales support and warranty service.

HPE Aruba 40GBASE-LR4L QSFP+ Module Performance Overview

The HPE Aruba 40GBASE-LR4L QSFP+ 1310nm 2km Module operates on a 1310nm wavelength architecture designed for long-range fiber transmission. Its optical interface allows stable communication across single-mode fiber environments where multi-gigabit bandwidth is essential.

This module transmits four independent optical channels that combine to deliver high-speed 40G connectivity. Network engineers often deploy this architecture for switch-to-switch interconnection in data centers or high-capacity distribution layers.

Performance highlights include:

• 40Gbps optical communication across single-mode fiber
• Reliable signal transmission up to 2km fiber distance
• Duplex LC optical interface for fiber connectivity
• CWDM-based optical transmitter design
• Enterprise-grade signal stability and low bit error rate

Such characteristics make the module suitable for high-density switching environments where stability and signal integrity matter more than raw speed numbers alone.

Why Network Engineers Choose the HPE Aruba 40GBASE-LR4L QSFP+ Module

Network infrastructure in enterprise environments demands predictable behavior. Packet loss, signal degradation, and overheating modules often disrupt production networks.

The HPE Aruba 40GBASE-LR4L QSFP+ module addresses these operational risks with controlled power consumption and stable optical output. Its thermal design supports standard data center operating environments without requiring specialized cooling infrastructure.

Practical advantages include:

• Low operational power draw suitable for dense switch chassis
• Stable optical transmission in enterprise networking environments
• Designed for Aruba-compatible switching hardware
• Supports host FEC for improved transmission reliability
• Compatible with industry-standard MSA specifications

Network administrators appreciate modules that work without constant troubleshooting. That reliability explains why Aruba-compatible optical modules are common in enterprise and ISP networks across Bangladesh.

Optical Architecture and Transmission Stability

Optical networking relies heavily on signal consistency. The HPE Aruba 40GBASE-LR4L QSFP+ module uses distributed feedback CWDM lasers to maintain stable signal output across fiber links.

This architecture divides data transmission into four wavelength channels. Each channel carries part of the traffic, creating an aggregated 40G optical link.

Important technical highlights:

• DFB CWDM transmitter design for wavelength stability
• PIN receiver optimized for long-distance optical signals
• Controlled optical power range to prevent signal overload
• Low bit error rate performance suitable for enterprise workloads

The result is reliable fiber connectivity even across long distribution links inside campuses, office parks, and multi-building enterprise networks.

Ideal Deployment Scenarios for the HPE Aruba 40GBASE-LR4L QSFP+

Not every optical module suits every infrastructure. The HPE Aruba 40GBASE-LR4L QSFP+ 1310nm 2km Module fits best in environments requiring mid-range fiber transmission and consistent throughput.

Common deployments include:

Enterprise Core Network Uplinks

Large corporate offices often connect multiple aggregation switches using fiber. This module provides stable bandwidth between switching layers.

Data Center Switch Interconnects

Data center networks require predictable throughput between spine and leaf switches. 40G optical links handle heavy traffic loads effectively.

University and Campus Fiber Links

Campus environments frequently connect buildings across single-mode fiber. The 2km transmission capability makes the module suitable for this infrastructure.

ISP Network Distribution Layers

Internet service providers use 40G fiber modules to link regional routing nodes or distribution switches.

Many network integrators in Bangladesh deploy these modules when building high-capacity switching environments.

Compatibility and Protocol Support

Enterprise networking environments rarely operate on a single protocol stack. Compatibility across multiple networking standards becomes essential.

The HPE Aruba 40GBASE-LR4L QSFP+ Module supports several widely used protocols used in storage, networking, and high-speed data transport.

Supported environments include:

• 40G Ethernet networking infrastructure
• Fibre Channel deployments
• High-speed storage transport such as SATA and SAS3
• Multi-vendor MSA compliant networking hardware

This compatibility allows network engineers to integrate the module into mixed-vendor infrastructures without compatibility conflicts.

Thermal Reliability and Power Efficiency

Optical modules operate inside tightly packed switch ports. Heat buildup often affects network reliability.

The HPE Aruba 40GBASE-LR4L QSFP+ module operates within typical data center temperatures, making it suitable for long-term deployment in enterprise switch environments.

Operational characteristics include:

• Stable operation within standard network hardware temperature ranges
• Controlled power consumption suitable for high-density switch ports
• Efficient optical performance under sustained workloads

These characteristics help maintain uptime across mission-critical networking infrastructure.

Warranty Support and Trusted Supply in Bangladesh

Purchasing optical modules from unknown sources often leads to compatibility problems or unreliable performance. Businesses across Bangladesh rely on trusted hardware suppliers to avoid network downtime.

The HPE Aruba 40GBASE-LR4L QSFP+ 1310nm 2km Module is available at PCB Store, a recognized retailer specializing in networking equipment and fiber accessories.

Customers benefit from:

• Genuine networking hardware sourced through trusted suppliers
• Technical assistance from experienced networking professionals
• Direct warranty claim handling through PCB Store
• After-sales support for installation and compatibility issues

Networking teams across Dhaka and Bangladesh frequently choose PCB Store for enterprise optical modules because of dependable service and product reliability.

Availability can change quickly due to enterprise demand, so checking current HPE Aruba 40GBASE-LR4L QSFP+ price in Bangladesh through PCB Store is recommended.