SK Hynix Announces 36 Gbps HBM2E Memory For Servers, High End Workstations And Super Computers

Posted by at 2:14 pm on August 13, 2019

SK Hynix is the second company to announce memory based on the HBM2E standard. HBM2E is faster and higher density HBM2 memory for the next generation of high-end processors. Hynix’s HBM2E memory will reach up to 3.6 Gbps, which as things currently stand, will make it the fastest HBM2E memory on the market when it ships in 2020.

When it comes to performance, SK Hynix says that their memory will be able to clock at up to 3.6 Gbps/pin, which would give a full 1024-pin stack a total of 460GB/sec of memory bandwidth, and in the process the lead for HBM2E memory speeds. And for more advanced devices which employ multiple stacks (e.g. server GPUs), this means a 4-stack processor could be paired up with as much as 1.84TB/sec of memory bandwidth, a massive amount by any measure. Meanwhile their capacity is doubling, from 8 Gb/layer to 16 Gb/layer, allowing a full 8-Hi stack to reach a total of 16GB. It’s worth noting that the revised HBM2 standard actually allows for 12-Hi stacks, for a total of 24GB/stack, however we’ve yet to see anyone announce memory quite that dense.

SK Hynix’s HBM2E memory set to go into mass production in 2020, SK Hynix expects the new memory to be used on “supercomputers, machine learning, and artificial intelligence systems that require the maximum level of memory performance.” All of these are distinctly high-end applications where HBM2 is already being heavily used today.

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