400G QSFP-DD Optical Transceiver for AI and Hyperscale Data Centers
The 400G QSFP-DD Transceiver Module is engineered to support next-generation high-bandwidth networking environments, delivering reliable 400Gbps Ethernet connectivity for AI clusters, cloud computing platforms, hyperscale data centers, and high-performance computing applications.
Built on advanced PAM4 modulation technology and compliant with QSFP-DD MSA and IEEE standards, this module provides exceptional signal integrity, low latency, and energy-efficient performance.
Available in SR8, DR4, FR4, LR4, DAC, and AOC configurations, the QSFP-DD platform offers flexible deployment options ranging from short-reach server interconnects to long-distance data center backbone connections.
Its hot-pluggable design enables seamless installation and maintenance, making it an ideal solution for upgrading 100G and 200G infrastructures to 400G networks.
Key Features
- Supports 400Gbps Ethernet transmission
- QSFP-DD hot-pluggable form factor
- PAM4 modulation technology
- SR8, DR4, FR4, LR4, DAC, and AOC options
- MPO-16 and Duplex LC interfaces
- High-density networking design
- Digital Diagnostic Monitoring (DDM/DOM)
- Low power consumption
- QSFP-DD MSA compliant
- Optimized for AI and cloud data centers
Technical Specifications
| Parameter |
Specification |
| Form Factor |
QSFP-DD |
| Data Rate |
400Gbps |
| Modulation |
PAM4 |
| Wavelength |
850nm / 1310nm |
| Connector |
MPO-16 / Duplex LC |
| Fiber Type |
MMF / SMF |
| Max Distance |
100m / 500m / 2km / 10km |
| Power Consumption |
<12W |
| DDM/DOM |
Supported |
| Operating Temperature |
0°C to 70°C |
| Standards |
QSFP-DD MSA, IEEE 802.3bs, IEEE 802.3cd |
Product Variants
Type
- 400G QSFP-DD SR8 (850nm, 100m OM4, MPO-16)
- 400G QSFP-DD DR4 (1310nm, 500m SMF, MPO-12)
- 400G QSFP-DD FR4 (1310nm, 2km SMF, LC)
- 400G QSFP-DD LR4 (1310nm, 10km SMF, LC)
- 400G QSFP-DD DAC Cable 1m
- 400G QSFP-DD DAC Cable 3m
- 400G QSFP-DD DAC Cable 5m
- 400G QSFP-DD AOC Cable 3m
- 400G QSFP-DD AOC Cable 10m
Compatibility
- Generic / Uncoded
- Cisco Compatible
- Arista Compatible
- Juniper Compatible
- NVIDIA Compatible
- Dell Compatible
- HPE Compatible
- Extreme Compatible
Applications
- AI training clusters
- GPU server networking
- Hyperscale data centers
- Cloud computing infrastructure
- Spine-leaf architectures
- High-performance computing (HPC)
- Enterprise core networks
- Storage and distributed computing systems
Compatibility
The 400G QSFP-DD transceiver is tested for interoperability with major networking platforms, including:
- Cisco Nexus Series
- Arista Data Center Switches
- Juniper QFX Platforms
- NVIDIA Spectrum Switches
- Dell Networking Solutions
- HPE Aruba Data Center Switches
- Extreme Networks Platforms
Custom EEPROM coding and OEM branding services are available upon request.
Installation
- Insert the QSFP-DD module into the designated 400G port.
- Connect the corresponding MPO or LC fiber cable.
- Verify link status through the switch interface.
- Monitor optical and electrical performance via DOM diagnostics.
- Confirm compatibility settings if using coded modules.
Package Includes
- 1 × 400G QSFP-DD Transceiver Module
- 1 × Protective Dust Cap
- 1 × Factory Test Report
- 1 × User Guide
