
Germany’s Karlsruhe Institute of Technology unveils 33 petaflops HoreKa 2 supercomputer
>The CPU partition uses Lenovo SD665 V3 servers featuring AMD Epyc 9655 ‘Turin’ CPUs, while the GPU partition is comprised of Lenovo ThinkSystem SC777 V4 servers, featuring Nvidia GB200 GPUs and interconnected by Nvidia’s NVLink networking technology.
>HoreKa 2 also has 250TB of memory and a storage system based on IBM Storage Scale Systems (SSS 6000), with a two-tier architecture consisting of NVMe and HDD tiers.
>The GPU partition is cooled using Lenovo’s Neptune liquid cooling technology, which utilizes hot water to ensure “particularly energy-efficient operation and free cooling all over the year.”