SFP/Optical / Optical Module Series
400G QSFP-DD AOC Active Optical Cable
400G QSFP-DD AOC Active Optical Cable is a CZT fiber optic and SFP interconnect product for data center, telecom, and optical networking programs. It is supported by local product imagery. Confirm final data rate, port count, reach, cage construction, plating, thermal path, and compliance requirements before sample release.
Key Features
- 400 Gbps active optical cable with integrated QSFP-DD transceivers at both ends
- Single-piece assembly eliminates transceiver insertion loss and connector variability
- Available in 1m to 100m lengths for intra- and inter-rack deployments
- QSFP-DD MSA compliant, backward compatible with QSFP28 ports via adapter
- Lightweight fiber construction reduces cable tray load versus copper DAC
Key Specifications
- Data Rate: 400Gbps
- Center Wavelength: 850nm
- Fiber Type: MM
- Supply Voltage: 3.13~3.47V
- +3 more specs below
Request drawing: This product has local image and specification coverage. Ask sales to confirm the latest drawing revision before sampling or tooling review.
400G QSFP-DD AOC Active Optical Cable Specifications
Data Rate400Gbps
Center Wavelength850nm
Fiber TypeMM
Supply Voltage3.13~3.47V
Relative Humidity5~85%
Power Consumption<8.5W
Operating Temperature0 to 70 °C
Typical Applications
Hyperscale data center fabric cabling between ToR and spine switches
AI accelerator cluster interconnects requiring high-density 400G ports
Colocation cross-connects between customer cages within one facility
High-frequency trading infrastructure requiring low-latency fiber links
Modular data center pod-to-pod interconnects
Frequently Asked Questions
What is the difference between the 400G QSFP-DD AOC and a passive DAC?
A passive DAC uses copper twinax and is limited to 3–5m with higher power draw at 400G. The QSFP-DD AOC uses active optical fiber, supporting up to 100m, with lower EMI, reduced weight, and consistent signal integrity across the full length.
Does the 400G QSFP-DD AOC support 4x100G breakout?
Yes, breakout AOC variants are available that fan out from a single QSFP-DD port to four QSFP28 100G ports. Ensure your switch NOS supports the required breakout mode and that the far-end ports are configured accordingly.
Can the AOC cable be re-terminated or repaired in the field?
No. AOCs are factory-terminated assemblies with integrated active components. Field re-termination is not supported and will void performance guarantees. If a cable is damaged, the entire assembly must be replaced. Order spare units for critical links.
400G QSFP-DD AOC Active Optical Cable Details
CategorySFP/Optical
SubcategoryOptical Module Series
Naming TemplateProduct name from catalog
BrandCZT
OriginChina
Drawing StatusRequest drawing
Related Products
Need a Custom Solution?
CZT offers OEM/ODM services with flexible MOQ. Contact our engineering team for custom connector solutions.