---
product_id: 161439647
title: "QSFPTEK 40G QSFP+ Module LC Single-Mode Transceiver 40GBASE-LR4 for Cisco QSFP-40G-LR4, 4 CWDM Lanes, 10km, with DDM"
brand: "qsfptek"
price: "฿11569"
currency: THB
in_stock: true
category: "Qsfptek"
url: https://www.desertcart.co.th/products/161439647-qsfptek-40g-qsfp-module-lc-single-mode-transceiver-40gbase-lr4
store_origin: TH
region: Thailand
---

# Ultra-low power <0.7W 10km single-mode reach Hot-pluggable for zero downtime QSFPTEK 40G QSFP+ Module LC Single-Mode Transceiver 40GBASE-LR4 for Cisco QSFP-40G-LR4, 4 CWDM Lanes, 10km, with DDM

**Brand:** qsfptek
**Price:** ฿11569
**Availability:** ✅ In Stock

## Summary

> 🚀 Future-Proof Your Network with Lightning-Fast 40G Connectivity

## Quick Answers

- **What is this?** QSFPTEK 40G QSFP+ Module LC Single-Mode Transceiver 40GBASE-LR4 for Cisco QSFP-40G-LR4, 4 CWDM Lanes, 10km, with DDM by qsfptek
- **How much does it cost?** ฿11569 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/161439647-qsfptek-40g-qsfp-module-lc-single-mode-transceiver-40gbase-lr4)

## Best For

- qsfptek enthusiasts

## Why This Product

- Trusted qsfptek brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Energy-Efficient Performance:** Consumes less than 0.7W to keep your data center green and cool
- • **Real-Time Diagnostics with DDM:** Stay ahead with dynamic monitoring for optimal network health
- • **Extended 10km Single-Mode Range:** Reliable long-distance data transmission across your enterprise backbone
- • **Rigorously Tested for Reliability:** Individually programmed and lab-verified to ensure flawless operation
- • **Seamless Cisco & Multi-Vendor Compatibility:** Plug & play with 200+ switch brands for ultimate network flexibility

## Overview

The QSFPTEK 40G QSFP+ Module LC Single-Mode Transceiver delivers robust 40GBASE-LR4 performance with 4 CWDM lanes supporting up to 10km reach. Fully compatible with Cisco and over 200 open switch vendors, it features ultra-low power consumption (<0.7W), hot-pluggable design, and advanced Digital Diagnostic Monitoring (DDM) for real-time network insights. Each unit undergoes rigorous lab testing to guarantee seamless integration and reliability in demanding data center and campus environments.

## Description

desertcart.com: QSFPTEK 40G QSFP+ Module LC Single-Mode Transceiver 40GBASE-LR4 for Cisco QSFP-40G-LR4, 4 CWDM Lanes, 10km, with DDM : Electronics

## Features

- The 40GBASE-SR4 QSFP+ transceivers, it's fully compliant and compatible for Cisco networks, compatible with 200+ open switch vendors
- 40GBASE-SR4 Module, 100m on OM3 MMF and 150m on OM4 MMF, Multimode Fiber, Low Pwer Consumption <0.7W.
- Hot Pluggable, Temp.range 0°C to 70°C, QSFP MSA and RoHS Compliant and DDM support
- Widely used on large data centers, campus and computing networks, Proprietary interconnections between switches, routers, servers, NICs and transmission equipment
- We owns compatibility LAB facilities to meet the EEPROM coding and writing requirements with various brands of the latest and advanced networking equipments to ensure the reliability. Each transceiver is individually tested and programmed compatibility before delivery.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Best Sellers Rank | #570 in Computer Networking Transceivers |

## Images

![QSFPTEK 40G QSFP+ Module LC Single-Mode Transceiver 40GBASE-LR4 for Cisco QSFP-40G-LR4, 4 CWDM Lanes, 10km, with DDM - Image 1](https://m.media-amazon.com/images/I/51WiCtqVUNL.jpg)
![QSFPTEK 40G QSFP+ Module LC Single-Mode Transceiver 40GBASE-LR4 for Cisco QSFP-40G-LR4, 4 CWDM Lanes, 10km, with DDM - Image 2](https://m.media-amazon.com/images/I/51lDjfQnDsL.jpg)
![QSFPTEK 40G QSFP+ Module LC Single-Mode Transceiver 40GBASE-LR4 for Cisco QSFP-40G-LR4, 4 CWDM Lanes, 10km, with DDM - Image 3](https://m.media-amazon.com/images/I/61+MKoJzc9L.jpg)
![QSFPTEK 40G QSFP+ Module LC Single-Mode Transceiver 40GBASE-LR4 for Cisco QSFP-40G-LR4, 4 CWDM Lanes, 10km, with DDM - Image 4](https://m.media-amazon.com/images/I/61778gbFfXL.jpg)
![QSFPTEK 40G QSFP+ Module LC Single-Mode Transceiver 40GBASE-LR4 for Cisco QSFP-40G-LR4, 4 CWDM Lanes, 10km, with DDM - Image 5](https://m.media-amazon.com/images/I/512auPDKmaL.jpg)

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**Shop now:** [https://www.desertcart.co.th/products/161439647-qsfptek-40g-qsfp-module-lc-single-mode-transceiver-40gbase-lr4](https://www.desertcart.co.th/products/161439647-qsfptek-40g-qsfp-module-lc-single-mode-transceiver-40gbase-lr4)

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-04-25*