One of today’s announcements threw up an interesting footnote worthy of further investigation. With its latest products, HP announced that their mainstream desktop platforms would be shipped with up to 32GB of memory, which was further expandable up to 128GB. Intel has confirmed to us, based on new memory entering the market, that there will be an adjustment to the memory support of the latest processors.

State of Play

Normally mainstream processors only support 64GB, by virtue of two memory channels, two DIMMs per memory channel (2DPC), and the maximum size of a standard consumer UDIMM being 16GB of DDR4, meaning 4x16GB = 64GB. However the launch of two different technologies, both double height double capacity 32GB DDR4 modules from Zadak and G.Skill, as well as new 16Gb DDR4 chips coming from Samsung, means that technically in a consumer system with four memory slots, up to 128GB might be possible.

With AMD, the company has previously stated that its memory controller can support future memory that comes to market (with qualification), however Intel has been steadfast in limiting its memory support on its chips specifically within the specification. HP is now pre-empting the change it its latest launch with the following footnote:

This has forced Intel into a statement, which reads as the following:

The new 9th Gen Intel Core processors memory controller is capable of supporting DDR4 16Gb die density DIMMs which will allow the processors to support a total system memory capacity of up to 128GB when populating both motherboard memory channels with 2 DIMMs per Channel (2DPC) using these DIMMs.  As DDR4 16Gb die density DIMMs have only recently become available, we are now validating them, targeting an update in a few months’ time.

At present Intel is only talking about the new Core 9th Gen processors that are set to hit the market on October 19th, which are the Core i9-9900K, the Core i7-9700K, and the Core i5-9600K. There has been no statement on previous generations of processors that support DDR4, or if there is any change on the high-end desktop platform for 256GB support.

Pricing for the newest 32GB memory modules is not expected to be cheap. A current 4x16GB kit comes in at around $550 for DDR4-2666, which is a ‘maximum supported’ memory kit, so a 4x32GB kit could easily run double plus a bit extra, perhaps in the $1200-$1600 range. That would put a single memory module at $300-$400, essentially costing more than most DDR4-capable processors.

Pricing aside, the main reason for the memory modules is likely not for changing peak memory capacity, but for enabling 2x32GB configurations, for prosumers that need 64GB in a small volume system. This is perhaps why Samsung’s first DDR4 32GB modules were SO-DIMM modules, to enable mobile workstations.

We will be monitoring the situation if more processors will be supporting these modules. G.Skill is sending us a sample and Zadak has stated we should be on the list, as ASUS ROG will be the first motherboard vendor to support both. Once we get a motherboard in to test we will see how well they perform.

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  • nico_mach - Monday, October 15, 2018 - link

    I can't imagine what that system could cost, complete. Like, Mac Pro prices, probably. MainGear will have to rename to MillionaireGear. Private equity will announce the acquisitions of individual Alienware desktops. Apple will get into the RAM business, branded by Hermes and Vuitton. Microsoft will lose a billion dollars on just one Surface Studio.
  • Pessimism - Monday, October 15, 2018 - link

    Agree. The rampant price fixing and collusion among the memory manufacturers is making the tech industry even more stagnant than it already is.
  • sa666666 - Monday, October 15, 2018 - link

    Yes, it just kills me that the 64GB RAM (4x16) I bought in 2016 for ~$320 CAD now costs over $1000. It's 2400Mhz, and I want to upgrade to 3200MHz for Ryzen, but the current prices are absolutely outrageous.
  • haukionkannel - Tuesday, October 16, 2018 - link

    Haven't you heard. It may be possible that dram prices will come down even 15% during the next year (if we are lucky) and that mean that 4x16 would cost only $850... cheap!

    Yeah... They still cost way too much even if they will come down a little bit. And Samsung is supposed to reduce the Dram production to prevent over producing memory, so that 15% may be big overestimation...
  • haukionkannel - Tuesday, October 16, 2018 - link
  • Bob-o - Monday, October 15, 2018 - link

    Oh please, what price fixing? Just because prices are high doesn't mean you need to resort to conspiracy theories. High prices are a natural outcome of very high barriers to increasing supply - either for a new company wanting to enter the space, or existing companies. Nobody wants to casually drop tens of billions of dollars to make more.
  • TEAMSWITCHER - Monday, October 15, 2018 - link

    I can't imagine a task that needs that much RAM! I know they exist, it's just that I have never experienced one. Every time I start thinking it's time to buy more RAM.. I'll fire up Task Manager to see how much I'm actually using. Even as a software developer, I'll admit that I don't need more than 16GB of RAM for any of the projects I work on.
  • duploxxx - Monday, October 15, 2018 - link

    i have 16GB ram in my laptop. Due to horrible windows memory manager i cant last 2 days active without a reboot to free ram again....
  • damianrobertjones - Monday, October 15, 2018 - link

    Then there's something wrong with your machine. or turn off Superfetch.
  • JoeyJoJo123 - Monday, October 15, 2018 - link

    ^ This.

    Works on my machine(tm), so PEBCAK.

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