Storage Space: SSD with 79 GB available space at launch for COD HQ and Multiplayer (34 GB with COD HQ already installed)

Here's the space requirements for Call of Duty Modern Warfare 3. PC: The PC version of the game requires a massive 213 GB of disk space. PlayStation and Xbox: The two consoles require almost 140 GB of disk space to be able top play the game without any problems.