Free shipping over $600. For wholesale pricing, please contact us directly.
Need Help?
Chat live with us
Live Chat
Want to call?

+ 86-752-3386717

United States · English · USD

By Brand

OEM-coded optical modules for major platforms

Featured Collections

Curated album pages for cages and copper optics

  • Payment Methods

    Mind your business with a variety of trusted payment options.

  • Your Package

    Use order number or tracking number to check shipping status.

  • Return Policy

    Get your quote fast and offer you more professional service.

  • Net Terms

    Help manage your budget & expenditure better.

  • Knowledge Center

    Deep dive into technical guides, industry standards, and SFP compatibility insights.

  • Reviews & Comparisons

    Detailed product benchmarks and side-by-side comparisons to help you choose the right module.

  • Use Cases & Solutions

    Explore real-world connectivity solutions for data centers, enterprises, and telecom networks.

  • Buying Guide

    Essential tips on choosing data rates, transmission distances, and connector types.

Sign in

New Customer? Create an account

0
Your Shopping Cart Is Empty.
Shop
View All Products
Explore
View All Compatible Optics
By Brand
Featured Collections
Main Menu
Networking
  • Networking
  • Data Center Switches
  • PDU, UPS, Power System
  • Network Adapters
  • Routers, Servers
  • Media Converters, KVM, TAP
Main Menu
Networking
Select Currency
USD - US Dollar
EUR - Euro
GBP - British Pound
CAD - Canadian Dollar
AUD - Australian Dollar
JPY - Japanese Yen
SEK - Swedish Krona
NOK - Norwegian Krone
IDR - Indonesia Rupiahs
BRL - Brazilian Real
THB - Thailand Baht

LINK-PP Resources

Tag: 400G FR4

More Posts Knowledge CenterTechnical DocumentationReviews & ComparisonsUse Cases & SolutionsBuying GuideCompatibility & AlternativesProcurement & Pricing Guide
QDD-400G-FR4-S Cisco Compatible: Enterprise Core Solutions

QDD-400G-FR4-S Cisco Compatible: Enterprise Core Solutions

avatar
LINK-PP Official Store
·
May 22, 2026
Optimize enterprise core solutions with QDD-400G-FR4-S compatible modules. Explore compatibility validation, supply chain safety, and deployment tips.
QDD-400G-FR4-SQDD-400G-DR4-SQSFP-DD�QSFP-DD 400G
FR4 vs DR4: What Are the Differences in 400G Optics

FR4 vs DR4: What Are the Differences in 400G Optics

avatar
LINK-PP Official Store
·
March 12, 2026
Learn the differences between FR4 and DR4 400G optical modules, including distance, fiber type, connectors, and deployment scenarios in modern data centers.
FR4 vs DR4400G FR4400G DR4

400G FR4 Products

View more

Products

Optics Transceivers | SFP Modules Free Shipping Optics Transceivers | SFP Modules

1.6T OSFP224

200/400/800G Transceiver Modules

10/25/40G/100G Transceiver Modules

1/2/4G Transceiver Modules

DAC/AOC/AEC Cables

1X9/SFF Transceiver Modules

Mobile & Access Network

Other Optical Transceiver Modules

Fiber Optic Cages & Connectors Free Shipping Fiber Optic Cages & Connectors

SFP Cages & Connectors

SFP+ Cages & Connectors

SFP28 Cages & Connectors

SFP56 / SFP112 Cages & Connectors

QSFP Cages & Connectors

QSFP28 Cages & Connectors

QSFP+ Cage & Connectors

QSFP-DD Cages & Connectors

OSFP Cages & Connectors

Integrated RJ45 Connector Integrated RJ45 Connector

Single Port RJ45 Connector

SMT RJ45 Connector

Low-Profile RJ45 Connector

Vertical RJ45 Connector

RJ45 Connector with USB

Multi-Port RJ45 Connector

Stacked RJ45 Connector

LAN Transformer LAN Transformer

Single Port Lan Transformer

Dual Port Lan Transformer

Quad Port Lan Transformer

Low-Profile PCMCIA Transformer

Modular Jack Modular Jack

RJ45 Jack without Magnetics

RJ11 Jack

Recent Trend

LINK-PP Expands Global Manufacturing
LINK-PP is Expanding
image
Optical Modules: Powering High-Speed Fiber Networks
Support
Company
Quick Access
Secured by Sectigo
Trust Guard Security Scanned

We accept

Visa PayPal Mastercard American Express Discover Bank Transfer Check