To be honest you should not be buying this level of equipment "off the peg" without a serious pre-sales process of evaluation and sizing unless you have signifi

To be honest you should not be buying this level of equipment "off the peg" without a serious pre-sales process of evaluation and sizing unless you have significant prior experience, and the people with that experience will already have some kind partner agreement in place. It's much more like placing an order for an container full of severs based on an reference design from an OEM then going to HPE or Dell for a commodity x64 system.