You can distinguish between the first and second generation CX-50 by the following:
Front view
| CX-50 Gen1 | CX-50 Gen2 |
|---|---|
 |  |
| USB ports | |
| USB Type-A (USB-2.0) | USB Type-C (USB 3.1) 1 |
1 The front USB Type-C™ can be used for video conferencing through a USB-C wired connection and as an HDMI™ input using the HDMI™-in to USB-C™ converter, see KB6726 and KB7199 respectively.
Rear view
| CX-50 Gen1 | CX-50 Gen2 |
|---|---|
 |  |
| HDMI™ ports | |
| HDMI™ Out and HDMI™ In | HDMI™ Out only |
| SPDIF | |
| Available | Not available |
| USB ports | |
| 2 x USB Type-A 2.0 (USB 2.0) and 1 x USB Type-C (USB 2.0) | 2 x USB- Type A (USB 3.1) and 1 x USB Type-C (USB 3.1) 2 |
| Power connection 3 | |
| 12V DC | 19V DC |
2 The rear USB Type-C is used to connect to the touchscreen in dual display setup (how-to: KB7868) or to the display that supports video via USB.
3 See KB6830.
