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Cisco Compatible 400G QSFP-DD ER8 PAM4 8 LWDM Optical Transceiver Module (MUX/DEMUX design SMF LC 40km DDM with FEC)
NADDOD Cisco QDD-400G-ER8 Compatible 400G QSFP-DD ER8 is a high-performance optical transceiver designed for 400 Gigabit Ethernet applications, delivering excellent reliability and long-reach connectivity. It is compliant with IEEE 802.3bs and leverages LWDM8 technology with integrated Forward Error Correction (FEC) to ensure robust and reliable data transmission over long distances. The module operates across the full C-band, utilizing eight LWDM wavelengths at 1273.54, 1277.89, 1282.26, 1286.66, 1295.56, 1300.05, 1304.58, and 1309.14 nm.
The 400G QSFP-DD ER8 provides a cost-effective and reliable upgrade path for high-speed networks, making it an ideal solution for hyperscale data centers and telecom infrastructures. It supports long-reach interconnects between 400G QSFP-DD switches, enabling flexible, efficient, and reliable device-to-device connectivity across a wide range of deployment scenarios.
The 400G Data Center Interconnect (DCI) solution provides 400G port speeds and effectively reduces the cost of interconnecting data centers. NADDOD's optical connectivity products enable long-distance metropolitan area network expansions and facilitate fast migration of massive data between data centers. By eliminating bandwidth bottlenecks, this solution significantly improves bandwidth and enhances the utilization rate between data centers.
NADDOD 400G optical transceiver has great advantages in increasing data throughput and maximizing data center bandwidth and port density. 400G QSFP-DD has been tested and recognized by the global market as we are the first brand to complete the commercial order delivery of 400G data center optical modules.
NADDOD has a full range of professional testing equipments for testing various parameters of products to ensure high performance and quality of optical transmission stability.
 QDD-400G-LR4 |  OSFP-400G-LR4 |  QDD-400G-LR8 |  QDD-400G-ER4 | QDD-400G-ER8 | |
|---|---|---|---|---|---|
| Form Factor | QSFP-DD | OSFP | QSFP-DD | QSFP-DD | QSFP-DD |
| Center Wavelength | 1310nm | 1310nm | 1310nm | 1310nm | 1310nm |
| Connector | Duplex LC | Duplex LC | Duplex LC | Duplex LC | Duplex LC |
| Cable Distance | 10km | 10km | 10km | 40km | 40km |
| Electrical Modulation | 8x53.125Gb/s PAM4(400GAUI-8) | 8x53.125Gb/s PAM4(400GAUI-8) | 8x53.125Gb/s PAM4(400GAUI-8) | 8x53.125Gb/s PAM4(400GAUI-8) | 8x53.125Gb/s PAM4(400GAUI-8) |
| Optical Modulation | 4x106.25Gbps PAM4 | 4x106.25Gbps PAM4 | 8x53.125Gbps PAM4 | 4x106.25Gbps PAM4 | 8x53.125Gbps PAM4 |
| Modulation Diagram |  |  |  |  |  |
| Power Consumption | ≤10W | ≤12W | ≤14W | ≤12W | 14W |
| Transmitter Type | CWDM EML | CWDM EML | LWDM EML | LWDM EML | LWDM EML |
| Protocols | QSFP-DD MSA, CMIS Rev4.1, OIF 56G PAM4,100G Lambda MSA, IEEE 802.3bs | OSFP MSA, CMIS 4.0, IEEE 802.3bs | QSFP-DD MSA, CMIS Rev4.1, OIF 56G PAM4, IEEE 802.3bs | QSFP-DD MSA, CMIS Rev4.1, OIF 56G PAM4, IEEE 802.3bs | QSFP-DD MSA, CMIS Rev4.0, OIF 56G PAM4, IEEE 802.3cn |
| Application | Data Center, HPC, enterprise core, 400G to 400G ethernet | Data Center, HPC, enterprise core, 400G to 400G ethernet | Data Center, HPC, enterprise core, 400G to 400G ethernet | Data Center, HPC, enterprise core, 400G to 400G ethernet | Data Center, HPC, enterprise core, 400G to 400G ethernet |
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