Long answer: All the cables provided with routers are Cat5e because all home grade routers have 1000 BASE-T (gigabit) etherent ports. Cat5e is rated to support 1gbps thus it will support the full speed of the port , thus there is no reason to ship it with a more expensive cable.
Read moreCan Cat5e do 2.5 Gbps?
Today, CAT5e is the most common type of cabling used due to its flexibility and its ability to support Gigabit speeds at a cost-effective price. You have billions of meters of CAT5e deployed in the world. They can support up 1Gbps or up 2.5 Gbps .
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