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  • chassis : Dell EMC PowerEdge R7525 Rack Server (or HPE equivalent)

  • motherboard : PowerEdge R7525 Motherboard, with 2 x 1Gb Onboard LOM,MLK V2 (or HPE equivalent)

  • cpu : 2 x AMD 7543 2.8GHz,32C/64T,256M,225W,3200

    this could likely be

    (or equivalent)

    • cut in half to 2 x 16 cores == 32 cores

  • memory : 16 x 32GB RDIMM, 3200MT/s, Dual Rank 16Gb BASE x8 (or equivalent)

    • total memory: 512GB

  • storage : 24 x 7.68TB SSD SAS ISE Read Intensive 12Gbps 512e 2.5in Hot-Plug, AG Drive (or equivalent)

    • we won’t need this much storage, which comes to 92TB of usable RAID10 storage

    • we could get away with at minimum 1/4 of this, or 23TB of usable RAID10 storage

    • we would target 50% utilization of storage at all times, setting dataset lifecycle / retention policy accordingly

This recommendation draws from Ben Pritchard’s experience in managing the MolSSI QCFractal Server for over two years, as well as from his own testing cycles of the upcoming next refactor of QCFractal.

A host with the minimum specs noted above (see sub-bullet points) is expected to cost $25k - $40k through an institutional VAR.

Network Requirements

The server will need to be internet-accessible via the following ports:

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