400GBASE-SR8 QSFP-DD Optical Transceiver, MTP/MPO-16, 850nm, 100m over OM4 MMF, PAM4, DOM

1. Max data rate up to 425Gbps. QSFP-DD form factor.
2. Reach up to 100m over OM4.
3. VSCEL + PIN, MTP/MPO-16 connector
4. 8x 50G PAM4 modulation.
5. Compliant to QSFP-DD MSA, IEEE 802.3bs and 400GAUI-8/CEI-56G-VSR-PAM4.

1. 400G Ethernet IEEE 802.3cd 400GBASE-SR8
2. 2x200G Ethernet IEEE 802.3cd 200GBASE-SR4
3. Data Center Interconnect

Part Number 6C-QSFP-DD-SR8 Vendor Name 6COM
Form Factor QSFP-DD Interface Type SR8
Max Data Rate 425Gbps (8×53.125Gb/s) Wavelength 850nm
Connector MTP/MPO-16 Cable Type MMF
Max Cable Distance 70m (over OM3); 100m (over OM4) Modulation PAM4
TX Power -6~4dBm Rx Power <-7.9dBm
Transmitter Type VCSEL 850nm Receiver Type PIN
Power Consumption ≤10W 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 Warranty 2 Years

6COM: Safeguarding Quality with Our Exclusive Part Tracking and Serialization Process.


                      OEM Code Testing                                                                                Lab Testing                                                                                     Quality Control            

      Every product is meticulously custom-coded                       Our laboratory boasts state-of-the-art testing equipment                           Every product has undergone                 

         to ensure compatibility with all features.              ensuring peak performance and unwavering reliability for every product.               Full Quality Control process        

To attain optimal product quality, 6COM adheres to a rigorous quality control protocol. Each product undergoes a comprehensive testing procedure, involving a series of tests before shipment. Our state-of-the-art testing facilities employ cutting-edge equipment to simulate various real-world scenarios, accommodating customized usage scenarios for any product. We furnish individual test reports for each product. Reach out to us for access to our Comprehensive Test Bed, featuring compatibility checks with modules from major switch brands.

6COM Production Line 6COM Protocol

Cisco Juniper Generic Dell
QDD-400G-SR8 QDD-400G-SR8 QSFPDD-SR8-400G Q56DD-400G-SR8

CompatibilityTest for 6C-QSFP-DD-SR8

Reliable manufacturer and seller of optical network products

What Can 6COM Bring to You

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.

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.

Various swtiches for compatibility testing

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

Rigorous performance testing

Eye diagram test, waveform test, bit error test and other tests ensure the stability of the module


Interoperability Matrix