HP DL160 G6  Heatsink Supports quad-core Processors. HP DL160 G6 Server Heatsink is a high-performance, low-cost, ultra-dense, dual processor capable, 1U rack server for memory intense High-Performance Computing (HPC) environments, Web 2.0, hosting, and general large memory footprint server deployments. If a single Processor is installed, then use socket 1. When two processors are used, the server supports boot functions through the processor installed in socket 1. the system will be automatically booted from processor 1 and provide a processor failure message. The processor socket supports a 2P Intel Xeon processor and a 2P Intel Westmere processor with an integrated memory controller.