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Wuhan GearLink Co., Ltd.
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    • 800g qsfp dd sr8

      800G OSFP

      800G OSFP 2*SR4

      800G OSFP 2*DR4

      Compact OSFP 400G DR4 optical transceiver, optimized for DR4 transceiver applications and high-bandwidth needs

      400G OSFP

      400G OSFP SR4

      400G OSFP DR4

      400G optical transceiver in QSFP112 DR4 form factor, designed for scalable high-bandwidth networking

      400G QSFP112

      400G QSFP112 SR4

      400G QSFP112 DR4

      400G QSFP112 FR4

      qdd 400g dr4

      400G QSFP-DD

      400G QSFP-DD SR4

      400G QSFP-DD SR8

      400G QSFP-DD DR4

      200g sr

      200G QSFP56

      200G QSFP56 SR4

      qsfp 100g er4l s Transceiver - 100GBASE ER4 Long Range

      100G QSFP28

      100G QSFP28 SR4

      100G QSFP28 CWDM4

      100G QSFP28 PSM4

      100G QSFP28 LR4

      100G QSFP28 ER4

      100G QSFP28 ZR4

      40G QSFP+ SR4 optical transceiver, high-speed qsfp 40g sr4 module for short reach 40GBASE SR4 links

      40G QSFP+

      40G QSFP+ SR4

      40G QSFP+ PSM4

      40G QSFP+ LR4

      40G QSFP+ ER4

      Compact 10G optical transceiver, supporting stable and efficient networking for cloud applications

      25G SFP28

      25G SFP28 SR

      25G SFP28 LR

      25G SFP28 ER

      25G SFP28 CWDM

      Gigabit BiDi transceiver module, advanced 1G BiDi SFP for single-fiber 1000BASE-BX transmission

      10G SFP+

      10G SFP+ SR

      10G SFP+ LR

      10G SFP+ ER

      10G SFP+ ZR

      10G SFP+ BIDI

      10G SFP+ T

      1.25G SFP

      1.25G SFP

      1.25G SFP SX

      1.25G SFP LX

      1.25G SFP EX

      1.25G SFP ZX

      1.25G SFP BIDI

      1.25G SFP T

      Compact 10G active optical cable, efficient 10G SFP+ AOC solution for modern data center networks

      Active Optical Cables

      800G AOC

      400G AOC

      200G AOC

      100G AOC

      40G AOC

      25G AOC

      10G AOC

      Efficient 10G DAC cable, reliable direct attach copper solution for 10G SFP+ server interconnects

      Direct Attach Cables

      800G DAC

      400G DAC

      200G DAC

      100G DAC

      40G DAC

      25G DAC

      10G DAC

      High-performance MPO fiber patch cord, reliable MPO jumper for multi-fiber optical connections in data centers

      MPO fibers

      High-performance LC duplex multimode fiber optic cable, ideal for 10G and 25G enterprise network

      LC fibers

  • ApplicationExpand
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      General

  • SupportExpand
    • Request samples

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      Delivery & shipment

      Warranty & returns

      Request certification

  • ResourceExpand
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      Video

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  • AboutExpand
    • Overview

      Why GearLink

      Contact us

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Wuhan GearLink Co., Ltd.
“400GBASE-FR4 QSFP112 PAM4 1310nm 2km DOM Duplex LC/UPC SMF Optical Transceiver Module” has been added to your cart. View cart
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Infiniband Optical Transceiver

800G OSFP 2*SR4 | 800G OSFP 2*DR4 | 400G OSFP SR4

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400G QSFP-DD SR4 Ethernet Optical Transceivers

High-Volume Shipment – Ready for Immediate Delivery

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Unleash Speed. Connect Smarter.

Optimized Optical & Interconnect Solutions for AI, Cloud, and Next-Gen Data Centers

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ABOUT US

Wuhan Gearlink Technology Co., Ltd.

Wuhan GearLink Technologies Co., Ltd. is a high-tech enterprise specializing in the research, development, production, and sales of optical transceivers.
The company boasts an experienced R&D team dedicated to technological innovation in high-speed optical transceivers, offering a comprehensive product portfolio including 800G, 400G, 200G, 100G, 40G, 25G, and 10G series.
Equipped with advanced fully automated production lines and precision testing equipment, Wuhan GearLink possesses large-scale production capabilities.
A rigorous quality management system ensures stable and reliable product performance, providing customers with high-quality optical transceiver solutions.

read more
Optical transceiver manufacturing workshop showcasing the production process and assembly of optical modules.
Optical transceiver application example illustrating real-world deployment scenarios and use cases.

Application

800G OSFP 2×SR4 and 400G OSFP SR4 transceivers enable high-speed, low-latency Leaf-Spine AI data center networks using PAM4, supporting CX7 NICs and NVIDIA 9790/9700 switches with efficient heat designs and large-scale deployment.

read more
Optical transceiver video case study showcasing real-world applications and operational scenarios.

Video

Our optical transceivers undergo precision manufacturing and full-process automated testing, ensuring high reliability and performance in 400G/800G AI data centers, with real-device validation and video demonstrations of key metrics like signal integrity and latency.

read more
Optical transceiver FAQ section image illustrating common questions, answers, and technical guidance.

FAQ

We offer technical Q&As and real-device demos covering 400G/800G transceiver selection, compatibility, performance, and deployment in AI/HPC networks, bridging theory with practice for next-gen infrastructure.

read more

latest Collection

latest Products

  • 800g osfp dr8800g dr8 transceiver

    800GBASE 2 x DR4/DR8 OSFP PAM4 1310nm 500m DOM Dual MPO-12/APC SMF Optical Transceiver Module

    0 out of 5
    NT$1,699 – NT$1,768Price range: NT$1,699 through NT$1,768
    Select optionsContinue Loading Done This product has multiple variants. The options may be chosen on the product page
  • 800g osfp sr8800g sr8 osfp

    800G OSFP SR8-800GBASE 2 x SR4/SR8 OSFP PAM4 850nm 50m DOM Dual MPO-12/APC MMF InfiniBand NDR Optical Transceiver Module

    0 out of 5
    NT$539 – NT$808Price range: NT$539 through NT$808
    Select optionsContinue Loading Done This product has multiple variants. The options may be chosen on the product page
  • 400g qsfp dd sr8qsfp dd sr8

    400GBASE-SR8 QSFP-DD PAM4 850nm 100m DOM MPO-16/APC MMF Optical Transceiver Module

    0 out of 5
    NT$139
    Select optionsContinue Loading Done This product has multiple variants. The options may be chosen on the product page
  • 400G QSFP112 SR4400g transceivers

    400GBASE-SR4 QSFP112 PAM4 850nm 50m DOM MPO-12/APC MMF Optical Transceiver Module

    0 out of 5
    NT$699 – NT$799Price range: NT$699 through NT$799
    Select optionsContinue Loading Done This product has multiple variants. The options may be chosen on the product page
  • 400g qsfp dd sr4qdd 2x100 sr4 s

    400GBASE-SR4 QSFP-DD PAM4 850nm 100m DOM MPO-12/APC MMF Ethernet Optical Transceiver Module

    0 out of 5
    NT$419
    Select optionsContinue Loading Done This product has multiple variants. The options may be chosen on the product page
  • 400G OSFP SR4400g osfp sr4 juniper

    400GBASE-SR4 OSFP 850nm 50m DOM MPO-12/APC MMF Optical Transceiver Module

    0 out of 5
    NT$499 – NT$898Price range: NT$499 through NT$898
    Select optionsContinue Loading Done This product has multiple variants. The options may be chosen on the product page
  • 400G QSFP112 DR4400G Optical Module

    400GBASE-DR4 QSFP112 PAM4 1310nm 500m DOM MPO-12/APC SMF Optical Transceiver Module

    0 out of 5
    NT$669 – NT$799Price range: NT$669 through NT$799
    Select optionsContinue Loading Done This product has multiple variants. The options may be chosen on the product page
  • 400g qsfp dd dr4400G QSFP-DD DR4 Transceiver

    400GBASE-DR4 QSFP-DD PAM4 1310nm 500m DOM MPO-12/APC SMF SiPh-Based Optical Transceiver Module

    0 out of 5
    NT$499
    Select optionsContinue Loading Done This product has multiple variants. The options may be chosen on the product page
WHGearlink storefront image showing company signage, entrance, and branding for identification purposes.

Enterprise Introduction

WHGEARLINK: Delivering AI-driven intelligent network
infrastructure with high-speed interconnect solutions.

Optical transceiver sample request image illustrating the process of submitting and processing requests.

Sample Request

We welcome your sample requests.
Please contact us if samples are needed.

optical transceiver sample request process, highlighting submission and handling procedures.

After-sales service

For any product quality concerns,
contact us for immediate after-sales service.

the latest news

from the blog

400g fr4 optical transceiver
October 3, 2025October 3, 2025 by ling xiang

400G FR4 Optical Transceiver Guide for Data Centers

400g qsfp-dd dr4 optical transceiver
September 30, 2025September 30, 2025 by ling xiang

The Ultimate Guide to 400G QSFP DD DR4 Transceivers

400G QSFP-DD DR4
September 29, 2025September 29, 2025 by ling xiang

400G QSFP-DD DR4 vs SR4 vs SR8: Which Transceiver to Choose?

cheap 400g osfp sr4
September 29, 2025September 29, 2025 by ling xiang

Best Cheap 400G OSFP SR4 Transceivers for Data Centers 2025

400G QSFP DD SR4 optical transceiver
September 29, 2025September 29, 2025 by ling xiang

400G QSFP DD SR4 Transceiver: Complete Guide to High-Speed Networking

400G QSFP112
September 28, 2025September 29, 2025 by ling xiang

What Are the Key Features of 400G QSFP112 That You Should Know?

xiangling@whgearlink.com

Phone: +8618971538004

Address: Building 1, Putian Technology Park, No. 20 Daxueyuan Road, East Lake High-tech Development Zone, Wuhan, Hubei Province, China

We are a leading optical transceiver manufacturer based in China’s Optics Valley. We specialize in high-performance, cost-effective optical modules including SFP, QSFP series, and beyond, widely used in data centers, 5G, and cloud computing.

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Building 1, Putian Technology Park, No. 20 Daxueyuan Road, East Lake High-tech Development Zone, Wuhan, Hubei Province, China

+86 189 7153 8004

xiangling@whgearlink.com

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Shopping Cart

  • × 400g fr4400GBASE-FR4 QSFP112 PAM4 1310nm 2km DOM Duplex LC/UPC SMF Optical Transceiver Module 1 × NT$750

Subtotal: NT$750

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  • Home
  • Store
    • 800g qsfp dd sr8

      800G OSFP

      800G OSFP 2*SR4

      800G OSFP 2*DR4

      Compact OSFP 400G DR4 optical transceiver, optimized for DR4 transceiver applications and high-bandwidth needs

      400G OSFP

      400G OSFP SR4

      400G OSFP DR4

      400G optical transceiver in QSFP112 DR4 form factor, designed for scalable high-bandwidth networking

      400G QSFP112

      400G QSFP112 SR4

      400G QSFP112 DR4

      400G QSFP112 FR4

      qdd 400g dr4

      400G QSFP-DD

      400G QSFP-DD SR4

      400G QSFP-DD SR8

      400G QSFP-DD DR4

      200g sr

      200G QSFP56

      200G QSFP56 SR4

      qsfp 100g er4l s Transceiver - 100GBASE ER4 Long Range

      100G QSFP28

      100G QSFP28 SR4

      100G QSFP28 CWDM4

      100G QSFP28 PSM4

      100G QSFP28 LR4

      100G QSFP28 ER4

      100G QSFP28 ZR4

      40G QSFP+ SR4 optical transceiver, high-speed qsfp 40g sr4 module for short reach 40GBASE SR4 links

      40G QSFP+

      40G QSFP+ SR4

      40G QSFP+ PSM4

      40G QSFP+ LR4

      40G QSFP+ ER4

      Compact 10G optical transceiver, supporting stable and efficient networking for cloud applications

      25G SFP28

      25G SFP28 SR

      25G SFP28 LR

      25G SFP28 ER

      25G SFP28 CWDM

      Gigabit BiDi transceiver module, advanced 1G BiDi SFP for single-fiber 1000BASE-BX transmission

      10G SFP+

      10G SFP+ SR

      10G SFP+ LR

      10G SFP+ ER

      10G SFP+ ZR

      10G SFP+ BIDI

      10G SFP+ T

      1.25G SFP

      1.25G SFP

      1.25G SFP SX

      1.25G SFP LX

      1.25G SFP EX

      1.25G SFP ZX

      1.25G SFP BIDI

      1.25G SFP T

      Compact 10G active optical cable, efficient 10G SFP+ AOC solution for modern data center networks

      Active Optical Cables

      800G AOC

      400G AOC

      200G AOC

      100G AOC

      40G AOC

      25G AOC

      10G AOC

      Efficient 10G DAC cable, reliable direct attach copper solution for 10G SFP+ server interconnects

      Direct Attach Cables

      800G DAC

      400G DAC

      200G DAC

      100G DAC

      40G DAC

      25G DAC

      10G DAC

      High-performance MPO fiber patch cord, reliable MPO jumper for multi-fiber optical connections in data centers

      MPO fibers

      High-performance LC duplex multimode fiber optic cable, ideal for 10G and 25G enterprise network

      LC fibers

  • Application
    • Infiniband Network

      RoCE Network

      General

  • Support
    • Request samples

      Payment path

      Delivery & shipment

      Warranty & returns

      Request certification

  • Resource
    • Blog

      FAQ

      Video

      Industry Glossary

  • About
    • Overview

      Why GearLink

      Contact us

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