We managed to get hold of the AMD processor OPN tables for the month of May. OPN, Ordering Part Number, stands for the marking of the AMD processors available for ordering via the distributor network. Besides the processor marking, the OPN tables list their major specifications, such as: core clock frequency, bus frequency, Vcore, core type and packaging type. This way, if you take a closer look at the data in an OPN table, you will be able to get highly detailed info about the already shipping and upcoming CPUs from AMD.