Intel Optane Memory m.2 16GB and 32GB: They work in servers and as ZFS cache devices
How to Choose Between M.2 SSD vs Optane Memory for Your Laptop - Laptopmain.com
Optane Memory Series MEMPEK1J016GAH 16GB M.2 2280 PCIe 3.0 x2 NVMe SSD Solid State Drive L08717-001 Compatible Replacement Spare Part for Intel Compatible and All Systems