The AMD Opteron 4100 Series processor, part of the AMD Opteron 4000 Series platform, is the world's lowest power per core server processor, setting the foundation for cloud workloads and affordability for mainstream infrastructure servers with prices starting at $99. AMD has leapfrogged its own leading-edge power efficient server processor designs by being the first to break the 6 watt/core barrier allowing you to double the number of servers, within the same power budget, compared to previous generations.