SK hynix will create an affordable replacement for HBM memory

SK hynix will create an affordable replacement for HBM memory for gaming graphics cards – DRAM chips will be connected end-to-end

The South Korean company SK Hynix says the publication Business Korea will release the results of its developments to integrate memory chips using the “2.5D fan-out” method next year, citing industry sources. This is the end-to-end connection between two chips, which has not yet been used in the production of memory chips.

    Image source: SK hynix

Image source: SK hynix

This new method proposes placing two DRAM chips horizontally next to each other and then combining them as if they were one chip. A characteristic feature is that the finished microcircuit is thinner, since no substrate is added under the chips.

According to the source, TSMC has been using a similar arrangement to integrate different chips since 2016 and has found application in the production of processors for Apple, but memory manufacturers have not paid any attention to this technology. As is known, the vertical integration of HBM-type memory chips can significantly increase the interface bandwidth, but this is a very expensive method and the so-called “2.5D fan-out” could be a useful alternative in the production of other DRAM chips. SK Hynix is ​​expected to use this integration method when releasing GDDR memory for gaming GPUs.

As you know, AMD once experimented with the use of first-generation HBM memory in consumer graphics solutions, but the idea was not developed due to limited economic feasibility. If SK Hynix advances further than its competitors in using an alternative 2.5D layout, it may be able to gain certain advantages by entering into contracts with NVIDIA and AMD when releasing components for next-generation gaming graphics cards. However, since only the research results in this area will be presented next year, one cannot expect a quick introduction of this type of layout into mass storage production.

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Dylan Harris

Dylan Harris is fascinated by tests and reviews of computer hardware.

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