This seller seems to value Optane the same as other Intel NAND SSDs, grabbed one for myself but there are three left: Intel Optane P4800X 1.5TB 1/2 Height PCIe x4 NVMe SSD SSDPED1K015TA | eBay
They also have several in a different listing with a high profile bracket for $50 more, that's still a solid deal.
They also have several in a different listing with a high profile bracket for $50 more, that's still a solid deal.