what is the different between Cat 6 and Cat 6 a ethernet wire?

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Accepted Answer

Cat6a cables utilize more stringent quality requirements and are rated for higher frequencies (500MHz). This difference is only noticeable if you are running on a better network (IE: 10GBASE-T) or are running multiple Ethernet cables bundled together over long distances. In other words: unless you are putting together a commercial/industrial IT infrastructure Cat6 cables should suffice.

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