What are the advantages of QSFP-DD between 400G form factors？
by P***z on 12/01/2022
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QSFP-DD supports backward compatible with QSFP+, QSFP28, and QSFP56, which makes it much easier to upgrade to 400G networks. Supported by PAM4 modulation, it is a more cost-effective solution for 400G DCI with ultra-low power consumption. And it provides more flexibility and scalability since it has more lanes (8 or 4 lanes) than other form factors. by FS.com on 13/01/2022
