FS Updates a Series of 400G Modules and DAC Cables for DC (27/07/2021 Updated)

Updated on Jul 28, 2021

July 10th, FS News - FS 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 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
QSFPDD-400G-SR8 Cisco/Arista/Generic MTP/MPO-16 850nm 100m
QSFPDD-400G-DR4 Cisco/Juniper/Arista/Generic MTP/MPO-12 1310nm 500m
QSFPDD-400G-DR4-Si Cisco/Juniper/Dell/Generic MTP/MPO-12 (APC) 1310nm 500m
QSFPDD-400G-XDR4 Cisco/Juniper/Arista/Generic MTP/MPO-12 1310nm 2km
QSFPDD-400G-FR4 Cisco/Juniper/Arista/FS/Generic LC Duplex 1310nm 2km
QSFPDD-400G-LR4 Juniper/Arista/FS/Generic LC Duplex 1310nm 10km
QSFPDD-400G-LR8 Cisco/Juniper/Arista/Dell/FS/Generic LC Duplex 1310nm 10km
QSFPDD-400G-ER8 Cisco/Juniper/Dell/Generic LC Duplex 1310nm 40km

Table 1. 400G transceivers

Form Factor Compatible Brand Connector Cable Length Wire AWG


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 400G DACs for DCI

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

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