In a HP Workstation Needs to be interleaved in motherboard slots: example: led with RDIMM in 1st slot then DCPMM in 2nd slot. Lenovo ThinkSystem (V2 era Ice Lake):SR630 V2, SR650 V2, SR670 V2, ST650 V2 (and a few edge variants).
NMB1XXD128GPS Intel Optane 128GB DDR4 PC4-3200 DCPMM Persistent Server Memory
Intel Optane Memory 64 GB / 32 GB / 16 GB SSD M.2 2280 PCIe 3.0 3D Xpoint NVMe
Intel Optane Memory M10 SSD M.2 2280 32GB MEMPEK1J032GAH PCIe 3.0 3D Xpoint NVMe
Intel Optane Memory SSD M.2 2280 16GB PCIe 3.0 3D Xpoint NVMe
Intel Optane Memory SSD M.2 2280 16GB MEMPK1W016GA PCIe 3.0 3D Xpoint NVMe
Intel Optane Memory M10 SSD M.2 2280 16GB MEMPEK1J016GA PCIe 3.0 3D Xpoint NVMe