NVMe Add-in Card (AIC) uses a standard PCIe x4 or x16 slot for large capacity enterprise SSDs or RAID controllers. Half-height half-length (HHHL) or full-height full-length (FHFL) form factors are common.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | PCIe TX+ | PCIe TX lane 0 positive | BUS |
| 2 | PCIe TX- | PCIe TX lane 0 negative | BUS |
| 3 | PCIe RX+ | PCIe RX lane 0 positive | BUS |
| 4 | PCIe RX- | PCIe RX lane 0 negative | BUS |
| 5 | 12V | 12V PCIe slot power | PWR |
| 6 | 3.3V | 3.3V PCIe slot power | PWR |
| 7 | GND | Ground | GND |