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Intel 9th Generation Core processors can support up to 128 GB DDR4 RAM

Zadak Double Height Double Capacity DDR4 RAM. (Source: Anandtech)
Zadak Double Height Double Capacity DDR4 RAM. (Source: Anandtech)
The new Intel 9th generation Core processors will support up to 128 GB DDR4 RAM as revealed by a footnote in one of HP's announcements, which was later confirmed by Anandtech. This is made possible due to the availability of double height double capacity modules from Zadak and G.Skill and Samsung's 16 GB DDR4 chips.

The upcoming Intel 9th Generation CPUs including the Core i9-9900K, the Core i7-9700K, and the Core i5-9600K can support up to 128 GB of DDR4 RAM. This was confirmed by Intel to Anandtech shortly after the 9th Generation CPUs were officially unveiled.

Traditional consumer desktops support up to 64 GB RAM i.e. two DIMMS per memory channel a.k.a. 2DPC. A typical UDIMM features 16 GB DDR4 RAM so 4x16 is the maximum limit possible currently in consumer systems. There have been some developments recently with the likes of Zadak and G.Skill introducing double height double capacity (DHDC) 32 GB DDR4 modules. Also, Samsung has started production of 16 GB RAM chips implying that 4x32 is actually possible.

This information was not really discussed by Intel or OEMs during the 9th Gen launch but HP, in one of the footnotes for their upcoming desktop platforms, said '128GB memory planned to be available in December 2018', which prompted Intel to issue a statement, which reads —

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."

Intel has only talked about 128 GB RAM support for the new 9th Generation CPUs and has not not talked about previous generation CPUs or support for 256 GB RAM on HEDT platforms. AMD, on the other hand, says that its memory controller already is built to support these new RAM modules but we are yet to see any validation data. 

Pricing, however, is not expected to be cheap and is likely to be at least double of current 4x16 configurations. That said, upcoming mobile workstations could be employing 2x32 SO-DIMM modules soon, making DHDC modules a welcome development for professionals and content creators.

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> Notebook / Laptop Reviews and News > News > News Archive > Newsarchive 2018 10 > Intel 9th Generation Core processors can support up to 128 GB DDR4 RAM
Vaidyanathan Subramaniam, 2018-10-17 (Update: 2018-10-17)
Vaidyanathan Subramaniam
Vaidyanathan Subramaniam - News Editor
I am a cell and molecular biologist and computers have been an integral part of my life ever since I laid my hands on my first PC which was based on an Intel Celeron 266 MHz processor, 16 MB RAM and a modest 2 GB hard disk. Since then, I’ve seen my passion for technology evolve with the times. From traditional floppy based storage and running DOS commands for every other task, to the connected cloud and shared social experiences we take for granted today, I consider myself fortunate to have witnessed a sea change in the technology landscape. I honestly feel that the best is yet to come, when things like AI and cloud computing mature further. When I am not out finding the next big cure for cancer, I read and write about a lot of technology related stuff or go about ripping and re-assembling PCs and laptops.