400G QSFP-DD Active Optical Cable, QSFP-DD to QSFP-DD AOC Cables Length Option 1m ~100m Optical
Bullet Points:
• High-Speed Performance: Built-in Inphi chip ensures stable 400Gbps data transfer with low BER.
• Flexible Design: Lightweight, slim cable with 30mm bend radius improves airflow and routing.
• Certified Quality: QSFP-DD MSA and RoHS compliant with DDM for real-time monitoring.
• Energy Efficient: Uses less than 8W per end with advanced 8x50G PAM4 interface.
• Customer Satisfaction Guaranteed: 5year warranty, and lifetime support.
QSFP-D400G-AOC: 400G QSFP-DD Active Optical Cable (OM4,MMF, QSFP-DD to QSFP-DD)
The 400G QSFP-DD Active Optical Cable (AOC) is designed for 400Gbps Ethernet connections using OM4 multimode fiber. With 8 channels transferring up to 53Gbps each, it ensures fast and reliable data transfer.
It’s lightweight, easy to manage, and improves airflow, making it perfect for data centers, cloud systems, and supercomputers.
Specifications
| P/N | QSFP-D400G-AOCXM | Manufacturer Name | FiberWeek |
| Data Rate | 400Gbps | Form Factor | QSFP-DD to QSFP-DD |
| Cable Length | 1m~100m | Cable Type | OM4 |
| Power Consumption | ≤8W | Temperature | 0 to 70°C (32 to 158°F) |
| Jacket Material | LSZH | Minimum Bend Radius | 30mm |
| Protocols | IEEE 802.3cd, OIF-CEI-04.0, QSFP-DD MSA,QSFP-DD-CMIS-rev4p0 | Warranty | 5 Years |
Key Features

Compatibility Testing
Optical transceivers are tested with various switches to ensure broad compatibility and reliable performance under different network configurations. The extensive testing ensures integration and functionality in a variety of network environments.
Chip Functionality
The chip of an optical transceiver is the core component responsible for signal processing and data transmission. It converts electrical signals into optical signals for transmission over fiber optic cables and vice versa. High-performance chips ensure efficient data transfer, low latency, and reliability, which are essential for the overall functionality of optical transceivers in modern communication networks

Related Products
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| 10G SFP+ AOC | 100G QSFP28 AOC | 200G QSFP56 AOC | 400G QSFP-DD AOC | |
| Data Rate | 10Gbps | 100Gbps | 200Gbps | 400Gbps |
| Form Factor | SFP+ to SFP+ | QSFP28 to QSFP28 | QSFP56 to QSFP56 | QSFP-DD to QSFP-DD |
| Temperature | 0 to 70°C (32 to 158°F) | 0 to 70°C (32 to 158°F) | 0 to 70°C (32 to 158°F) | 0 to 70°C (32 to 158°F) |
| Power Consumption | <0.8W | <2.2W | ≤4.5W | ≤8W |
| Protocols | 10G Gigabit Ethernet | IEEE 802.3 bm, SFF-8665 | QSFP56 MSA, SFF-8665, SFF-8636 | IEEE 802.3cd, OIF-CEI-04.0, QSFP-DD MSA |
Global Certification
Fiberweek is committed to continuously enhancing our product compliance processes to support long-term sustainable growth. We guarantee that our products meet industry standards, ensuring superior quality and reliability.
Important Note: Using third-party transceivers will not affect your network equipment warranty. Manufacturers clearly state that warranty support remains the same when using compatible products.
Frequently asked questions
If you have placed the order as a guest or just placed an offline order, you can start a return through the “Product Return Request”.
A:If your return is due to an error on our part (you received an incorrect or defective item, etc.), FiberWeek will cover all the shipping cost. Otherwise, the return shipping cost should be born by your own.
Usually, international orders may cause custom duties on import and export. If the items are returned from abroad, and the return is due to our error (you received an incorrect or defective item, etc.), we will cover the custom duties.
A:Usually you can save the shipping fees by printing shipping label we provide on “Return/Replace Review” page when the return/replace request is approved. If you don’t find that shipping label, don’t worry, we will refund you the shipping fees when we received the item(s).
A:Refund is usually processed on Tuesday and Friday after we received the returning items, and you will receive the money within 1 week, depending on the refund method that you use.
A:In most cases, we will refund you the returned items in the same way you paid for them. Also, You can contact your account manager to help you keep the money as “reserved amount” in FiberWeek and spend them for your future FiberWeek order.
Resources
- Datasheet
- Installation Guide
- Compatibility Matrix






