Intel Optane uses 3D XPoint non-volatile memory technology on M.2 2280 for ultra-low latency (sub-10 microsecond) storage. Used for SSD caching (Optane Memory H10) and standalone high-performance storage (Optane P1600X).
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | GND | Ground | GND |
| 2 | 3.3V | 3.3V power | PWR |
| 7 | PCIe TX+ | 3D XPoint PCIe TX positive | BUS |
| 8 | PCIe TX- | 3D XPoint PCIe TX negative | BUS |
| 9 | PCIe RX+ | 3D XPoint PCIe RX positive | BUS |
| 10 | PCIe RX- | 3D XPoint PCIe RX negative | BUS |