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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

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Wuhan GearLink Co., Ltd.

Warranty & Returns

Efficient Return Management for Your Convenience

Home / Support / Warranty & Returns

Global Shipping

Quality Assurance System
GearLink ensures that all products undergo strict quality control standards from raw material procurement through the entire manufacturing process.

Warranty Terms & Conditions

Coverage Includes:
– Limited, non-transferable warranty for GearLink hardware products purchased through official website
– Lifetime technical support

Warranty Commitment:
GearLink warrants to end users that its products are free from defects in materials and workmanship affecting form, fit, and function. All products meet:
✓ Application requirements specified at time of purchase
✓ Specification standards published on official website or documentation

Claims Process:
– Claims may only be filed by original purchaser during ownership period
– Must be submitted within product’s serviceable lifetime
– GearLink will, at its discretion, provide one of the following solutions:
â–¶ Repair or replacement of defective products
â–¶ Credit/refund based on original purchase price or fair market value (whichever is lower)

Exclusions:
This warranty does not cover:
• Failures caused by operation beyond manufacturer’s published parameters
• Misuse, abuse, neglect, or unauthorized modifications
• Improper use including power issues or failure to follow instructions
• Force majeure events (e.g. natural disasters)
• Installation/repairs performed by unauthorized service providers

Special Notes:
GearLink reserves the right to use functionally equivalent new or refurbished parts for repairs.

Returns & Refunds Policy

GearLink Return Policy Detailed Guidelines

To ensure a smooth and efficient returns process, please carefully follow these requirements:

1. RMA Form Requirement
All return requests must include a completed GearLink RMA (Return Merchandise Authorization) form, which serves as official documentation of your return authorization. This form can be obtained by contacting our customer service team or through your online account portal. The RMA number provided must be clearly marked on both the form and the exterior of your return package.

2. Pre-Return Verification
Before initiating any return, please:
– Log in to your “My Orders” section to confirm successful product delivery
– Verify the exact product condition and specifications
– Ensure all original packaging and accessories are intact
– Take timestamped photos of any damaged or incorrect items

3. Return Processing Timeline
Once we receive your properly documented return:
– Refund requests will be processed within 3-5 business days
– Exchange items will be shipped within 2 business days of receipt
– Repair cases will receive a diagnostic report within 7 business days

4. Packaging Requirements
All returns must be:
– Securely packaged in original or equivalent protective materials
– Accompanied by all included documentation
– Clearly labeled with the RMA number on at least two sides

5. Special Considerations
Please note:
– Returns without valid RMA forms will be refused
– Incomplete returns may delay processing by 5-7 business days
– High-value items require signature confirmation upon return

6. Customer Support
Our dedicated returns team is available:
– Monday-Friday 8AM-6PM EST via phone/email
– 24/7 through our online chat portal
– For urgent cases, via our priority support line

We strive to make every returns experience seamless and will provide regular updates throughout the process. For complex cases involving international returns or bulk orders, please contact your account manager for personalized assistance.

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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Contact Us

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 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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