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The rapid surge in demand for bandwidth has pushed data center operators to massive upgradations. There was a time when 10G was popular. Later, 40G replaced the 10G. These days, 100G is one of the most widely used technology. However, 400G is now officially available, and the IEEE is working on 800G. Many data center operators have already started their quest of migration towards 400G, and some are still confused. There are specific challenges involved in this sort of up-gradation. Today, we have decided to provide our readers with some vital information about 40, 100 or 200G to 400G migrations.

Power Over Ethernet (PoE) is a networking technology that enables Ethernet cables to carry electrical power in addition to data packets. In PoE enabled networks, direct current (DC current) travels over a single Cat6 or Cat5e Ethernet cable. PoE technology-enabled devices are designed to comply with at least one or multiple IEEE standards. Let us share which PoE standards are available to date.