1. PAM4 modulation technology.
2. CWDM EML + PIN, Duplex LC connector.
3. Low power consumption ≤12W.
4. 400GAUI-8/CEI-56G- VSR- PAM4, four CWDM optical lanes
5. Applied in 400G Ethernet, Infiniband interconnects, DCI, etc.
400GBASE-FR4 QSFP-DD Optical Transceiver, Duplex LC, 1310nm, 2km over SMF, PAM4, DOM
1. 400G Ethernet IEEE 802.3cu 400GBASE-FR4
2. Data Center Interconnect
| Part Number | 6C-QSFP-DD-FR4 | Vendor Name | 6COM |
| Form Factor | QSFP-DD | Interface Type | FR4 |
| Max Data Rate | 425Gbps (4×106.25Gb/s) | Wavelength | 1270nm,1290nm,1310nm,1330nm |
| Connector | Duplex LC | Cable Type | SMF |
| Max Cable Distance | 2km | Modulation | PAM4 |
| TX Power | -3.3~3.5dBm | Receiver Sensitivity | <-7.3dBm |
| Transmitter Type | CWDM EML | Receiver Type | PIN |
| Power Consumption | ≤12W | Temperature Range | 0 to 70°C (32 to 158°F) |
| DDM/DOM | Supported | Forward Error Correction (FEC) | Host FEC Supported |
| Protocols | QSFP-DD MSA, IEEE 802.3bs, 400GBASE-FR4 spec, 100G Lambda MSA, 400GAUI-8/CEI-56G-VSR-PAM4 | Warranty | 2 Years |
6COM: Ensuring Superior Quality and Fast Delivery with Our Exclusive Part Tracking and Serialization Process
OEM Code Testing Lab Testing Quality Control Delivery Excellence
Every product is meticulously Our laboratory boasts state-of-the-art Every product has undergone Adequate stock, efficient overseas warehouses
custom-coded to ensure compatibility testing equipment ensuring peak performance a full quality control process and fast shipping ensure timely delivery
with all features and unwavering reliability for every product
At 6COM, we test and control the quality of our products. Each product is tested in our facilities, which simulate real-world conditions. We provide test reports for every product. With our sufficient stock, overseas warehouses and efficient shipping, we ensure fast delivery. Contact us to access our comprehensive test bed, which includes compatibility checks with modules from all major switch brands.


| Cisco | Juniper | Dell |
|---|---|---|
| QDD-400G-FR4-S | QDD-400G-FR4 | 400GBASE-FR4 |




