CAMM memory modules will appear in desktop computers

CAMM memory modules will appear in desktop computers

In 2022, Dell surprised the technology world by announcing that it had developed an entirely new laptop memory standard called CAMM. The new design has since been certified to use SO-DIMM as the official standard for notebook memory, but now SK Hynix says it will eventually make its way to desktop PCs as well. This is reported by Extreme Tech.

This illustration shows how double-sided CAMM modules save space on a laptop motherboard. Credit: Dell

This makes it clear that using CAMM modules on a desktop motherboard would require a complete redesign of the parts layout.

Instead of being installed in vertical slots like the DRAM modules we use now, CAMM modules are horizontal and screw into the socket, so you can already imagine how the motherboard design might change to support CAMM. These modules are also thin and flat. This can limit the number of modules that can be installed on an ATX board, as four of them will take up too much space.

The standard, designed for desktop PCs, is the second iteration of the CAMM2 specification. This standard, which JEDEC announced just a month ago, will allow memory manufacturers to start creating modules to replace SO-DIMMs for laptops.

JEDEC says CAMM2 is for DDR5. Since it’s currently in the process of becoming ubiquitous, just like the DDR4 modules it replaces, we shouldn’t expect CAMM to arrive until DDR6 is ready, which will be around 2025.

One of the problems with the former SO-DIMM standard, at least for DDR5 memory, is that it exceeded DDR6-6400. CAMM will provide much higher speed and density of mobile memory, but its advantages for desktop computers over traditional memory cards have yet to be tested.

Note that DDR5 modules go up to 8000 MHz, and the path to DDR6 and DDR7 is clear, so much more information about desktop CAMM will be needed before it is clear why it is better than vertical DRAM modules.

It can be assumed that low-power CAMMs can provide power savings, but this is usually more important for mobile devices than for desktop PCs.

Read also on ProIT: The American chip manufacturer Micron introduced memory expansion modules that support Compute Express Link (CXL) generation 2.0 and are equipped with up to 256 GB of DRAM (operating through the PCIe x8 interface).

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