M.2 22110 (110mm length) is the enterprise M.2 form factor used in servers and workstations where longer cards allow more NAND chips for higher capacity SSDs up to 8TB in a single M.2 card.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | GND | Ground | GND |
| 2 | 3.3V | 3.3V power | PWR |
| 7 | PCIe TX+ | PCIe TX positive | BUS |
| 8 | PCIe TX- | PCIe TX negative | BUS |
| 9 | PCIe RX+ | PCIe RX positive | BUS |
| 10 | PCIe RX- | PCIe RX negative | BUS |