FS.COM Updates a Series of 400G Modules and DAC Cables for DC (22/09/2020 Updated)

Posted on July 10, 2020
October 1, 2020

July 10th, FS News - FS.COM has recently updated a series of high-quality 400G modules and DAC cables, aiming at enriching professional 400G solutions to meet different high-bandwidth application requirements of the next-generation data center.

An insatiable demand for high-bandwidth networking has led to the fast progression from 100G to 200G and now to 400G, driving the rapid development and adoption of new 400G pluggable optical transceivers and switches. Following this irresistible trend, FS.COM unveils another batch of 400G transceivers and DAC cables with compatible brands including Cisco and Juniper.

Form Factor Compatible Brand Connector Wavelength Max Cable Distance
QSFP-DD-400G-DR4 Cisco/Juniper/Arista/Generic MTP/MPO-12 1310nm 500m
QSFP-DD-400G-LR4 Juniper/Arista/FS/Generic LC Duplex 1310nm 10km
QSFP-DD-400G-FR4 Cisco/Juniper/Arista/FS/Generic LC Duplex 1310nm 2km
QSFP-DD-400G-XDR4 Cisco/Juniper/Arista/Generic MTP/MPO-12 1310nm 2km
LC Duplex

Table 1. 400G transceivers

Form Factor Compatible Brand Connector Cable Length Wire AWG
400G QSFP-DD DAC Cisco/Arista/FS/Generic QSFP-DD to QSFP-DD 0.5m/1m/1.5m/2m/2.5m/3m 30AWG
400G QSFP-DD to 2x200G QSFP56 DAC Arista/Generic QSFP-DD to 2 QSFP56 0.5m/1m/2m/2.5m 30AWG
400G QSFP-DD to 8x50G SFP56 DAC
QSFP-DD to 8 SFP56

Table 2. 400G DACs

Besides, these innovative 400G modules and DAC cables have all undergone stringent optical testings and compatibility testings to ensure that all the 400G solutions are efficient and reliable, even though these testings for such high-speed network equipment are much more complicated and challenging.

FS.COM has been enriching its 400G products, covering 400G optical transceivers, 400G DAC cables, as well as 400G switches and 16-fiber MTP® cables. FS.COM will firmly continue to research and develop products and solutions to serve customers in a better way.

About FS.COM

FS.COM ( is a high-speed communication product and solution provider for connecting and securing global data center, enterprise, and telecom networks. FS.COM is dedicated to fulfilling product systems and tailoring project solutions for IT professionals with immediate services by developing its talents, labs and local service center. Through continuous technology innovation and brand partnership, FS products and solutions have served more than 300,000+ customers in over 200 countries.