400GBASE-LR4 QSFP-DD Optical Transceiver, Duplex LC, 1310nm, 10km over SMF, PAM4, DOM

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.

1. 400G Ethernet IEEE 802.3bs, 100G Lambda MSA
2. Data Center Interconnect

Part Number 6C-QSFP-DD-LR4 Vendor Name 6COM
Form Factor QSFP-DD Interface Type LR4
Max Data Rate 425Gbps (4×106.25Gb/s) Wavelength 1270nm,1290nm,1310nm,1330nm
Connector Duplex LC Cable Type SMF
Max Cable Distance 10km Modulation PAM4
TX Power -2.8~4.0dBm Receiver Sensitivity <-9.1dBm
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 IEEE 802.3bs, QSFP-DD MSA CMIS Rev4.1, OIF 56G PAM4 and 100G Lambda MSA Warranty 2 Years
Cisco Juniper Arista Mellanox Dell Generic

CompatibilityTest for 6C-QSFP-DD-LR4

Reliable manufacturer and seller of optical network products

What Can 6COM Bring to You

Powerful and comprehensive OEM service

From manufacturer name info to module labeling and packaging, our OEM service meets all your requirements.

The most competitive purchase cost in the industry

6COM's excellent production management model makes the module price at the bottom of the industry in the market. You can get the best quality products at budget.

Industry-leading after-sales processing capabilities

6COM has been in this business for 12 years. We have rich experience in dealing with various problems, you can rest assured to buy products at 6com without worrying about after-sales problems.

Various swtiches for compatibility testing

Since 2010, 6com has purchased more than 140+ network switches, covering popular equipment of 10G/40G/100G brands.


Data Sheet
Interoperability Matrix