The AMD Ryzen 9000 series of CPUs have made a big splash in the desktop processor space. The new CPUs are based on the AM5 platform and offer notable improvements over the previous generation Ryzen 7000 series CPUs, including support for faster DDR5 RAM. The top of the line offering in the Ryzen 9000 series is the Ryzen 9 9950X, and it performs best with fast DDR5 RAM rated for 6000 MT/s to 6400 MT/s, even though the spec sheet for the CPU states 5600 as the default memory speed.