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From video: First Look at SKHynix HBM4 (and other silicon)
Published: January 28, 2026

Video Description

Supercomputing is the massive high-performance computing (HPC) conference where industry meets academia to showcase the cutting edge of supercomputers and academic research. In this video, I go through the "melange" of everything I saw on the SC25 show floor in St. Louis, from 100T switches and optical chiplet demos to next-gen vector engines and the latest Blackwell hardware. Glenn's Blog: https://blog.glennklockwood.com/2025/12/sc25-recap.html ASM YouTube: www.youtube.com/asm_official ASM Careers: https://www.asm.com/careers [0:00] The Supercomputing (SC) experience [1:46] Academia meets industry [3:42] Broadcom: TH6-Davisson 102.4T switch chip [4:56] Cadence: UCIe chiplets [8:15] ASM: www.asm.com [9:03] CalligoTech: Posits in Silicon [13:26] Ciena: 448 Gbps [15:25] Cisco: 200-series switch silicon [16:24] Cognifiber: In-fiber optical neural network [18:40] NVIDIA: Grace Blackwell B300 DGX Station [21:59] HyperAccel: Bertha [23:03] Lightmatter Demo [23:38] IDC Briefing: Quantum Computing [25:57] Top500: Supercomputer rankings [29:39] NEC: Next-gen RISC-V Aurora vector engine [32:23] NVIDIA NVLink Switch and other silicon [34:42] Gaudi 3 Spotted! [36:01] SK Hynix: HBM4 and 256GB MR DIMM [36:58] Xcena: CXL memory expander card [37:45] Final thoughts: Why students should attend ----------------------- Need POTATO merch? There's a chip for that! http://merch.techtechpotato.com http://more-moore.com : Sign up to the More Than Moore Newsletter https://www.patreon.com/TechTechPotato : Patreon gets you access to the TTP Discord server! Follow Ian on Twitter at http://twitter.com/IanCutress Follow TechTechPotato on Twitter at http://twitter.com/TechTechPotato If you're in the market for something from Amazon, please use the following links. TTP may receive a commission if you purchase anything through these links. Amazon USA : https://geni.us/AmazonUS-TTP Amazon UK : https://geni.us/AmazonUK-TTP Amazon CAN : https://geni.us/AmazonCAN-TTP Amazon GER : https://geni.us/AmazonDE-TTP Amazon Other : https://geni.us/TTPAmazonOther Ending music: https://www.youtube.com/watch?v=2N0tmgau5E4 ----------------------- Welcome to the TechTechPotato (c) Dr. Ian Cutress Ramblings about things related to Technology from an analyst for More Than Moore #silicon #supercomputing #hpc ------------ More Than Moore, as with other research and analyst firms, provides or has provided paid research, analysis, advising, or consulting to many high-tech companies in the industry, which may include advertising on the More Than Moore newsletter or TechTechPotato YouTube channel and related social media. The companies that fall under this banner include AMD, Applied Materials, Arm, Armari, ASM, Ayar Labs, Baidu, Bolt Graphics, Dialectica, Facebook, GLG, Guidepoint, IBM, Impala, Infineon, Intel, Kuehne+Nagel, Lattice Semi, Linode, MediaTek, NeuReality, NextSilicon, NordPass, NVIDIA, ProteanTecs, Qualcomm, Recogni, SiFive, SIG, SiTime, Supermicro, Synopsys, Tenstorrent, Third Bridge, TSMC, Untether AI, Ventana Micro.