Valve Steam Deck uses an M.2 2230 slot for the internal SSD, accessible via the back panel for user upgrades. The slot supports PCIe 3.0 x4 NVMe drives at up to 3500 MB/s for game storage expansion.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | GND | Ground | GND |
| 2 | 3.3V | 3.3V power | PWR |
| 7 | DEVSLP | Device sleep | I/O |
| 9 | PERST# | PCIe reset | I/O |
| 13 | PCIe TX+ | PCIe TX positive | BUS |
| 14 | PCIe TX- | PCIe TX negative | BUS |
| 15 | PCIe RX+ | PCIe RX positive | BUS |
| 16 | PCIe RX- | PCIe RX negative | BUS |
Valve Steam Deck uses an M.2 2230 slot for the internal SSD, accessible via the back panel for user upgrades. The slot supports PCIe 3.0 x4 NVMe drives at up to 3500 MB/s for game storage expansion.