Intel Emerald Rapids processors will stop supporting Optane persistent memory, sources say

According to information dug out from the PerfMon tool and InstLatX64, according to this site’s news on August 31, Intel’s next-generation Xeon scalable processor (codename: Emerald Rapids) and its subsequent products will stop supporting Optane persistent memory (PMem). ) Support

Note from this site: Intel Optane Persistent Memory (PMem) and Intel Optane SSD both use the same Optane memory media, but they are completely different products. Intel has previously revealed in its 2022 Q2 financial report that it will completely terminate its Optane business, which resulted in an inventory impairment of US$559 million. Apparently, Intel has moved to CXL 2.0 memory expansion modules

Currently, Intel Emerald Rapids uses similar technology to Sapphire Rapids, such as the same high-performance microarchitecture and share the same platform. In other words, removing support for Optane persistent memory is based on a business decision, not a technical decision. Given that Intel will officially stop supplying Optane persistent memory modules on December 29, 2023, the company chose to cancel support for Optane persistent memory. Optane persistent memory support in 2024 products is also a logical decision

Starting with Emerald Rapids, Intel will support CXL 2.0 Type 1, Type 2 and Type 3 devices, including CXL Memory (CAMM, CXL Attached Memory), the successor to Intel’s Optane persistent memory module

In addition, Emerald Rapids also supports the same CAMM memory mode as Sapphire Rapids processors equipped with Optane PMem, which Possibly because Intel uses the same controller IP

Of course, technically speaking, Intel Emerald Falls and its subsequent Xeon processors will also continue to support Optane SSDs because they use the industry standard interface , and can be connected to any new machine. However, there may not be many vendors validating newer data center/workstation platforms

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