How many concurrent device instances can I have with the free desktop license?

Last verified against genymotion.com:

There is no hard limit stated for Genymotion Desktop free edition, but running more than 2 devices at the same time is not recommended. The product page says the free “Personal Use” edition is included at no cost, and the simultaneous-run guidance applies to Genymotion Desktop generally. Genymotion Desktop How many devices can I run simultaneously?

Genymotion says Desktop was not designed for parallel use, so more than two running devices can cause performance loss, instability, and memory leaks. For the free edition, available features are also limited. How many devices can I run simultaneously? Genymotion Desktop