6/30/2023 0 Comments Dell c6420A small detail, but one that will resonate with many who have used older and competitive systems, is that this airflow guide is tool-less and is slightly recessed. Dell has two large heatsinks and there is a small airflow guide between them. Our system is air-cooled with AMD EPYC 7452 processors. The C6420 has eight DIMMs but only 6-channel memory and lower clock speed memory. For the HPC market, the 8-channel memory is the big feature since current Cascade Lake Intel Xeon platforms only use 6-channel memory. Instead, Dell gives one access to the full memory bandwidth of the platform with eight DIMM slots, albeit at half of the maximum capacity for the processors. There is simply no space for that in the C6525 due to width constraints. the PowerEdge R7415) which mean one gets 16 DIMMs per socket. The EPYC 7002 series supports two DIMMs per channel (2DPC) configurations on some of Dell’s larger servers (e.g. These CPUs have 8-channel memory controllers so Dell has 8x DDR4 DIMM slots onboard the C6525. With four systems, that is how we get to a kilo-thread or 1024 threads. That means each system can hit 128 cores and 256 threads. They can offer up to 64 cores and 128 threads per socket. The CPUs are dual AMD EPYC 7002 series “Rome” processors. Dell EMC PowerEdge C6525 Backplane Connectors They also are being used here to direct airflow towards the CPUs. The connectors Dell is using are high-density connectors that make servicing easier than with older generations of large gold finger PCBs. Dell EMC PowerEdge C6525 Internal View Node The nodes themselves follow a standard layout with the chassis connectors at the right side, the CPUs and memory next, and the rear dedicated to PCIe cards and I/O. Each can handle an AMD EPYC 7002 series CPU. Dell EMC PowerEdge C6525 Chassis Rear With Nodes Partially Out The man value proposition of a 2U4N solution is the ability to house four dual-socket nodes in 2U. The PowerEdge C6525 is aimed at higher-density applications such as high-performance computing (HPC) and hyper-converged deployments.
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