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Wuhan GearLink Co., Ltd.
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      100G QSFP28 SR4

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      100G QSFP28 ZR4

      40G QSFP+

      40G QSFP+ SR4

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      10G SFP+ ZR

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      1.25G SFP

      1.25G SFP SX

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Wuhan GearLink Co., Ltd.

SHOP NOW Infiniband Optical Transceiver 800G OSFP 2*SR4 | 800G OSFP 2*DR4 | 400G OSFP SR4
Discount Up To 50 % Off SHOP NOW 400G QSFP-DD SR4 Ethernet Optical Transceivers High-Volume Shipment – Ready for Immediate Delivery
Optimized Optical & Interconnect Solutions for AI, Cloud, and Next-Gen Data Centers Unleash Speed. Connect Smarter. SHOP NOW

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.

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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.

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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.

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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.

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latest Collection

latest Products

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

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

    0 out of 5
    $539 – $808
    Select optionsContinue Loading Done This product has multiple variants. The options may be chosen on the product page
  • 800GBASE 2 x DR4/DR8 OSFP PAM4 1310nm 500m DOM Dual MPO-12/APC SMF Optical Transceiver Module

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

    0 out of 5
    $1,699 – $1,768
    Select optionsContinue Loading Done This product has multiple variants. The options may be chosen on the product page
  • 400GBASE-SR8 QSFP-DD PAM4 850nm 100m DOM MPO-16/APC MMF Optical Transceiver Module

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

    0 out of 5
    $139
    Select optionsContinue Loading Done This product has multiple variants. The options may be chosen on the product page
  • 400GBASE-SR4 QSFP112 PAM4 850nm 50m DOM MPO-12/APC MMF Optical Transceiver Module

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

    0 out of 5
    $699 – $799
    Select optionsContinue Loading Done This product has multiple variants. The options may be chosen on the product page
  • 400GBASE-SR4 QSFP-DD PAM4 850nm 100m DOM MPO-12/APC MMF Ethernet Optical Transceiver Module

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

    0 out of 5
    $419
    Select optionsContinue Loading Done This product has multiple variants. The options may be chosen on the product page
  • 400GBASE-SR4 OSFP 850nm 50m DOM MPO-12/APC MMF Optical Transceiver Module

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

    0 out of 5
    $499 – $898
    Select optionsContinue Loading Done This product has multiple variants. The options may be chosen on the product page
  • 400GBASE-DR4 QSFP112 PAM4 1310nm 500m DOM MPO-12/APC SMF Optical Transceiver Module

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

    0 out of 5
    $669 – $799
    Select optionsContinue Loading Done This product has multiple variants. The options may be chosen on the product page
  • 400GBASE-DR4 QSFP-DD PAM4 1310nm 500m DOM MPO-12/APC SMF SiPh-Based Optical Transceiver Module

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

    0 out of 5
    $499
    Select optionsContinue Loading Done This product has multiple variants. The options may be chosen on the product page

Enterprise Introduction

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

Sample Request

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

After-sales service

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

the latest news

from the blog

May 25, 2025May 25, 2025 by lingxiang0817@gmail.com

800G Optical Transceiver with Silicon Photonics: Leading the New Wave of High-Speed Optical Communication

May 25, 2025May 25, 2025 by lingxiang0817@gmail.com

NVIDIA Mellanox Ethernet Optical Transceivers

May 25, 2025May 25, 2025 by lingxiang0817@gmail.com

400G QSFP-DD Optical Transceivers: Technical Analysis and Application Prospects

May 25, 2025May 25, 2025 by lingxiang0817@gmail.com

Comprehensive Analysis and Application of 400G OSFP Optical Transceivers

Optical Module-2
April 30, 2025May 15, 2025 by lingxiang0817@gmail.com

Key Advantages of Optical Modules for U.S. Network Infrastructure

Optical Module
April 30, 2025May 15, 2025 by lingxiang0817@gmail.com

Why Optical Modules Are Key to Modern Networking Infrastructure

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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  • Home
  • Store
    • 800G OSFP

      800G OSFP 2*SR4

      800G OSFP 2*DR4

      400G OSFP

      400G OSFP SR4

      400G OSFP DR4

      400G QSFP112

      400G QSFP112 SR4

      400G QSFP112 DR4

      400G QSFP-DD

      400G QSFP-DD SR4

      400G QSFP-DD SR8

      400G QSFP-DD DR4

      200G QSFP56

      200G QSFP56 SR4

      100G QSFP28

      100G QSFP28 SR4

      100G QSFP28 CWDM4

      100G QSFP28 PSM4

      100G QSFP28 LR4

      100G QSFP28 ER4

      100G QSFP28 ZR4

      40G QSFP+

      40G QSFP+ SR4

      40G QSFP+ PSM4

      40G QSFP+ LR4

      40G QSFP+ ER4

      25G SFP28

      25G SFP28 SR

      25G SFP28 LR

      25G SFP28 ER

      25G SFP28 CWDM

      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 SX

      1.25G SFP LX

      1.25G SFP EX

      1.25G SFP ZX

      1.25G SFP BIDI

      1.25G SFP T

      Active Optical Cables

      800G AOC

      400G AOC

      200G AOC

      100G AOC

      40G AOC

      25G AOC

      10G AOC

      Direct Attach Cables

      800G DAC

      400G DAC

      200G DAC

      100G DAC

      40G DAC

      25G DAC

      10G DAC

      MPO fibers

      LC fibers

  • Application
    • Infiniband Network

      RoCE Network

      General

  • Support
    • Request samples

      Payment path

      Delivery & shipment

      Warranty & returns

      Request certification

  • Resource
    • Blog

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      Industry Glossary

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    • Overview

      Why GearLink

      Contact us

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