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posted by n1 on Tuesday August 02 2016, @01:40AM   Printer-friendly
from the 640k dept.

SK Hynix will begin mass production of 4 GB HBM2 memory stacks soon:

SK Hynix has quietly added its HBM Gen 2 memory stacks to its public product catalog earlier this month, which means that the start of mass production should be imminent. The company will first offer two types of new memory modules with the same capacity, but different transfer-rates, targeting graphics cards, HPC accelerators and other applications. Over time, the HBM2 family will get broader.

SK Hynix intends to initially offer its clients 4 GB HBM2 4Hi stack KGSDs (known good stack dies) based on 8 Gb DRAM devices. The memory devices will feature a 1024-bit bus as well as 1.6 GT/s (H5VR32ESM4H-12C) and 2.0 GT/s (H5VR32ESM4H-20C) data-rates, thus offering 204 GB/s and 256 GB/s peak bandwidth per stack.

Samsung has already manufactured 4 GB stacks. Eventually, there will also be 2 GB and 8 GB stacks available.

Previously: AMD Shares More Details on High Bandwidth Memory
Samsung Announces Mass Production of HBM2 DRAM


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  • (Score: 3, Interesting) by takyon on Tuesday August 02 2016, @10:12AM

    by takyon (881) <reversethis-{gro ... s} {ta} {noykat}> on Tuesday August 02 2016, @10:12AM (#383049) Journal

    At a minimum, this memory can be used to lower power consumption and make chip designs smaller (especially GPUs). High-end GPUs certainly can use the extra memory bandwidth, and boosting that to 1 TB/s removes that bottleneck for a while.

    High performance computing can certainly use more memory and bandwidth. Intel's Xeon Phi chips [nextplatform.com] now include 16 GB of High Bandwidth Memory, and so does the NVIDIA Tesla P100 [anandtech.com].

    Closer to consumers, you have rumors of AMD using HBM in upcoming APUs [wccftech.com], although it's still not clear if it will make it into mobile or desktop APUs. AMD's APUs have benefited from faster memory before, and they could do it again. Even the 32-core Zen server/datacenter/HPC chip may have on-board HBM.

    We recently had a huge poll discussion about the need for RAM [soylentnews.org]. Many of our users could do something with more than 8 GB, including me.

    Plenty of computers could run better with more cores or more RAM. My $100 dual-core with 2 GB of RAM could use both.

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