Yes, the Digitus Universal Dual Monitor Clamp Mount (DA-90400) is compatible with the 27-inch Samsung G6 monitor. Here are the key points:

- The stand is designed for monitor sizes between 15" and 32".
- It supports VESA dimensions of 75 x 75 mm and 100 x 100 mm, which are common for many monitors, including Samsung monitors.
- The maximum load capacity per arm is 8 kg, which should be sufficient for most 27-inch monitors.

Therefore, this stand should be suitable for your 27-inch Samsung G6 monitor.