Intel OPTANE Memory M10 16GB NVMe PCI EXPRESS MEMPEK1J016GAD SSD - Mo & Joe Electronics
Amazon.com: HBRPEKNX0101AH 16GB Optane 256GB NAND M.2 2280 PCI-Express 3.0 x4 NVMe Intel Optane Memory with Solid State Drive L48337-001 Compatible Replacement Spare Part for Intel Compatible and All Systems : Electronics
Intel Optane Memory: Do you need it? - Tech Centurion
Intel Optane Memory m.2 16GB and 32GB: They work in servers and as ZFS cache devices