Using a PCIe Slot to Install DRAM: New Samsung CXL.mem Expansion Module

Stefan Mileschin · 13th May 2021, 06:43

In the computing industry, we’ve lived with PCIe as a standard for a long time. It is used to add any additional features to a system: graphics, storage, USB ports, more storage, networking, add-in cards, storage, sound cards, Wi-Fi, oh did I mention storage? Well the one thing that we haven’t been able to put into a PCIe slot is DRAM – I don’t mean DRAM as a storage device, but memory that actually is added to the system as useable DRAM. Back in 2019 a new CXL standard was introduced, which uses a PCIe 5.0 link as the physical interface. Part of that standard is CXL.mem – the ability to add DRAM into a system through a CXL/PCIe slot. Today Samsung is unveiling the first DRAM module specifically designed in this way.

https://www.anandtech.com/show/16670...pansion-module

13th May 2021, 06:43	#1
Stefan Mileschin [M] Reviewer Join Date: May 2010 Location: Romania Posts: 150,431	Using a PCIe Slot to Install DRAM: New Samsung CXL.mem Expansion Module In the computing industry, we’ve lived with PCIe as a standard for a long time. It is used to add any additional features to a system: graphics, storage, USB ports, more storage, networking, add-in cards, storage, sound cards, Wi-Fi, oh did I mention storage? Well the one thing that we haven’t been able to put into a PCIe slot is DRAM – I don’t mean DRAM as a storage device, but memory that actually is added to the system as useable DRAM. Back in 2019 a new CXL standard was introduced, which uses a PCIe 5.0 link as the physical interface. Part of that standard is CXL.mem – the ability to add DRAM into a system through a CXL/PCIe slot. Today Samsung is unveiling the first DRAM module specifically designed in this way. https://www.anandtech.com/show/16670...pansion-module

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