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1x NVMe for Boot (separate partition) / (small enough) VMs / requested high speed scratch (if a ramdisk would be too big)
$160 500GB 3Gbps write https://www.pbtech.co.nz/product/HDDCRU34500/Crucial-P5-500GB-NVMe-PCIe-M2-2280-up-to-3400-MBs
1x SSD "raid" for scratch
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