COP-SI400G-DR4 Product Overview
The COP-SI400G-DR4 is a high-performance 400G QSFP-DD DR4 silicon photonics optical transceiver designed for 400G Ethernet and data center interconnect (DCI) applications. It operates at 1310nm with 4 parallel 100G PAM4 optical channels, supporting transmission up to 500 meters over single-mode fiber (SMF) using an MPO-12 connector.
Compliant with IEEE 802.3bs (400GBASE-DR4), QSFP-DD MSA, and CMIS 5.x, this module features hot-pluggable QSFP-DD form factor, Digital Optical Monitoring (DOM), low power consumption (<9W), and commercial temperature range (0°C ~ 70°C). It offers superior reliability and compatibility for next-generation data center, cloud, and enterprise networks.
5. Core Selling Points
- 400G High-Speed Connectivity: 4×100G PAM4 lanes, total 400Gbps throughput, ideal for leaf-spine and DCI architectures.
- Silicon Photonics Technology: Advanced 1310nm silicon photonic chipset for high efficiency, stability, and long-term reliability.
- Extended Reach: Up to 500m over SMF (with FEC), perfect for medium-range data center and campus links.
- Flexible Breakout: Supports 4×100G DR1 breakout for seamless network migration.
- Full Compatibility: Interoperable with Cisco, Juniper, Arista, Huawei, H3C, and other major brands.
- DOM & DDM: Real-time monitoring of temperature, voltage, TX/RX power, bias current.
- Hot-Pluggable: QSFP-DD plug-and-play, backward compatible with QSFP28 cages.
- Low Power & Green: <9W typical power, RoHS compliant, Class 1 laser safety.
- High Density: Compact QSFP-DD form factor maximizes rack space utilization.
6. Full Specifications
| Parameter |
Details |
| Model Number |
COP-SI400G-DR4 |
| Form Factor |
QSFP-DD (Quad Small Form-factor Pluggable Double Density) |
| Standard |
IEEE 802.3bs (400GBASE-DR4), QSFP-DD MSA, CMIS 5.0, RoHS |
| Data Rate |
400Gbps (4×106.25Gbps PAM4 optical) |
| Electrical Interface |
8×53.125Gbps PAM4 (400GAUI-8) |
| Wavelength |
1310nm (silicon photonics) |
| Fiber Type |
Single-Mode Fiber (SMF, OS2) |
| Transmission Distance |
500m (SMF with FEC) |
| Connector |
MPO-12 APC (female) |
| Transmitter Power |
-5.9 ~ +4.0 dBm (per lane) |
| Receiver Sensitivity |
≤ -4.4 dBm (per lane) |
| Power Consumption |
<9W (typical) |
| Operating Temp |
0°C ~ +70°C (Commercial) |
| Supply Voltage |
3.3V ±5% |
| DOM/DDM |
Yes |
| Laser Class |
Class 1 |
| Applications |
400G Ethernet, Data Center Interconnect (DCI), Cloud Computing, Enterprise Backbone, 4×100G Breakout |
7. Detailed Description (Homepage)
Introduction
The COP-SI400G-DR4 is a cutting-edge 400G QSFP-DD DR4 silicon photonics transceiver built to meet the soaring bandwidth demands of modern data centers, cloud platforms, and high-performance networks. It delivers 400Gbps over single-mode fiber up to 500 meters, bridging racks, rows, and buildings with stable, low-latency connections.
Advanced Silicon Photonics
Powered by 1310nm silicon photonic chips, this module combines high speed, low power, and exceptional reliability. Compared with traditional EML designs, silicon photonics offers better thermal stability, lower power, and longer life—ideal for 24/7 mission-critical networks.
Superior Compatibility & Flexibility
Fully compliant with IEEE 802.3bs and QSFP-DD MSA, the COP-SI400G-DR4 works seamlessly with all major 400G switches, routers, and servers. It supports 4×100G DR1 breakout, letting you use one 400G port as four 100G ports for flexible, cost-effective upgrades.
Built-in Digital Monitoring (DOM)
Comprehensive DOM/DDM lets you monitor real-time:
- TX & RX optical power
- Module temperature
- Supply voltage
- Laser bias current This simplifies diagnostics, reduces downtime, and improves network stability.
Applications
- Data Center Interconnect (DCI): High-speed links between racks, rows, and buildings.
- Cloud & Hyperscale Networks: Core connections in public/private cloud infrastructures.
- Enterprise & Campus Backbones: Upgrading core networks to 400G bandwidth.
- High-Performance Computing (HPC) & AI Clusters: Low-latency, high-throughput connections.
- 4×100G Migration: Smoothly transition from 100G to 400G using breakout capability.
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