All Categories
SFP Modules
Services
Support
About Us
Resources
Mind your business with a variety of trusted payment options.
Use order number or tracking number to check shipping status.
Get your quote fast and offer you more professional service.
Help manage your budget & expenditure better.
Free samples support, achieve your test results efficiently.
Professional team support and service, to solve your problems in time.
Ask us whatever you care, we will help you 24/7.
Get your quote fast and offer you more professional service.
Meet us and know our mission, belief, service and more.
Find our locations and get connected with us closely.
Quality management, testing, compatibility and global compliance.
Lab tour, optical test bed, compatibility tool and test requests.
Find out the latest news and events around l-p.com
Deep dive into technical guides, industry standards, and SFP compatibility insights.
Detailed product benchmarks and side-by-side comparisons to help you choose the right module.
Explore real-world connectivity solutions for data centers, enterprises, and telecom networks.
Essential tips on choosing data rates, transmission distances, and connector types.
New Customer? Create an account
The Cisco QDD-4X100G-LR-S Compatible LINK-PP module is a 400Gb/s Quad Small Form Factor Pluggable-double density (QSFP-DD) optical module designed for 10km optical communication applications. The product is designed with form factor,optical/electrical connection and digital diagnostic interface according to the QSFP-DD Multi- Source Agreement(MSA).
| Cisco Part Number | QDD-4X100G-LR-S | Vendor Name | LINK-PP |
| Form Factor | QSFP-DD | Max Data Rate | 425Gbps (4x 106.25Gbps) |
| Wavelength | 1310nm | Max Cable Distance | 10km |
| Connector | MPO-12/APC | Media | SMF |
| Transmitter Type | EML | Receiver Type |
PIN |
| DDM/DOM | Supported | Operating Temperature Range |
0°C to +70°C |
| Protocols |
QSFP-DD MSA HW Rev 5.1, QSFP-DD, CMIS Rev 5.0, IEEE 802.3cu, IEEE 802.3bs | Warranty |
5 Years |
Take advantage of our testing program to evaluate the reliability and performance of our optical transceivers.
LINK-PP 400G Connectivity for Data Centers
The LINK-PP 400G QSFP-DD transceiver delivers ultra-high-speed, high-density, and energy-efficient (18W) performance for next-generation networks.It provides a reliable and scalable solution to achieve 400G data transmission with enhanced signal integrity and low latency.Ideal for large-scale cloud computing, AI, and high-performance data center environments requiring maximum bandwidth efficiency.

Tunable Power for DWDM Optimization
The LINK-PP DWDM transceivers feature adjustable transmit power, allowing precise tuning for optimal system margin and signal balance.This flexibility enhances network stability, performance, and link efficiency across dense wavelength environments.By maintaining power equilibrium, they eliminate the need for manual crosstalk correction, simplifying deployment and maintenance.Ideal for long-haul and metro DWDM systems requiring high reliability and scalability.





Data Rate (Max) | 425Gbps (4x 106.25Gbps) | 425Gbps | 425Gbps |
Wavelength | 1310nm | 1310nm | 1310nm |
Connector | MPO-12/APC | MPO-12/APC | MPO-12/APC |
Cable Distance (Max) | 10km | 500m | 500m |
Cable Type | SMF | SMF | SMF |
Operating Temperature | 0°C to +70°C | 0°C to +70°C | 0°C to +70°C |
| Pictures | ID# | Description | Price | Stock | Add to Cart |
{{item.displayed_price.unit_prefix}} {{item.displayed_price.value}} / {{item.displayed_price.unit_type_name}}
{{item.sold_num}} SoldUnited States
Carrier
CostDelivery TimeTracking
Company
CostTime
{{ shipitem.name }}
{{ (shipitem.isfree =='1' || shipitem.price == 0)? 'Free Shipping' :detail_data.currency.unit_prefix+shipitem.price }} To Be Negotiated {{shipitem.datemin}}-{{shipitem.datemax}} days Available
{{parseInt(detail_data.left_num) ? detail_data.left_num +' in Stock' :detail_data.zeroStockOrder==0?'Out of Stock':'Available'}}
{{reply_items.topic || reply_items.text}}By {{reply_items.author}}