The Deal On Power9 Memory For Entry Servers
March 5, 2018 Timothy Prickett Morgan
There are a lot of changes that come with any new Power Systems platform. But perhaps the biggest change – and one that will in some ways make the Power9 platform more competitive with X86 and ARM servers and in others less competitive – is the way IBM is shifting from buffered DDR3 and DDR4 main memory used in Power8 iron to plain vanilla registered DDR4 memory that is commonly used in all servers these days.
Buffered memory had its heyday on high-end NUMA systems, and was necessary to try to balance the needs of memory bandwidth against ever-increasing compute …
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