> I think of Ryzen as the first modern chip that has a multipurpose serdes, Do you mean specifically that Ryzen was the first CPU to offer that kind of IO flex

> I think of Ryzen as the first modern chip that has a multipurpose serdes, Do you mean specifically that Ryzen was the first CPU to offer that kind of IO flexibility? Because Intel desktop chipsets were doing that kind of thing long before Ryzen hit the scene. Here's are chipsets for Haswell and Skylake: Haswell: https://images.anandtech.com/doci/7963/FlexIO.png https://images.anandtech.com/doci/7963/FlexIO.png Skylake: https://images.anandtech.com/doci/9582/122%20-%20HSIO%20H.jpg https://images.anandtech.com/doci/9582/122%20-%20HSIO%20H.jp...