In order for you to play Warhammer 40,000: Mechanicus on Linux with minimal graphics settings, your computer must meet the following requirements
Operating System:
SteamOS, Ubuntu 16.04 (64bit)
Processor (CPU):
Intel Core i7 3.0 GHz+
Memory (RAM):
8 GB RAM
Graphics Card:
2GB ATI Radeon HD 7970, 2GB NVIDIA GeForce GTX 770 or better
Storage:
11 GB available space
In order to play Warhammer 40,000: Mechanicus on Linux with maximum graphics settings, you need a computer with a configuration no worse than the following
Operating System:
SteamOS, Ubuntu 16.04 (64bit)
Processor (CPU):
3GHz Quad Core
Memory (RAM):
8 GB RAM
Graphics Card:
GeForce GTX 960 4GB/AMD Radeon R7 200 series/4GB
Storage:
11 GB available space