Minimum:

OS: macOS 10.12.4
Processor: 2.0Ghz Intel Core i5
Memory: 8 GB RAM
Graphics: 1GB Nvidia 650, 2GB AMD Radeon M290, Intel Iris Pro or better (see notes for more details)
Storage: 30 GB available space
Additional Notes: The game is supported on the following Macs. To check your Mac model and when it was released, select About This Mac from the Apple Menu on your desktop:
- * Most 21’5” iMacs released since Late 2013 (see 1)
- * All 27” iMacs released since Late 2013 (see 2)
- * All 13” Retina MacBook Pros released since 2016
- * All 15” Retina MacBook Pros released since Mid 2012
- * All Mac Pros released since Late 2013
- (1) Check your CPU meets the minimum requirement
- (2) Late 2012 models with Nvidia 675 or Nvidia 680 graphics are also supported.
——— The following Macs are capable of running the game but do not consistently meet the standards required for official support.
- * All 21’5” iMacs released since Early 2013
- * All 13” Retina MacBook Pros released since Mid 2012.
———

Warhammer 40,000: Dawn of War III screenshots