multiplayer at a minimum, will require you to have a least an 8GB USB Flash Drive or an Xbox 360 Hard Drive to play. It is highly recommended for an optimal experience you should play with an Xbox 360 Hard Drive. Click here
for more details on the storage device options available for Xbox 360 and Halo 4
Many thanks to all the TA community members who brought this to our attention. Halo 4
is due to be released worldwide on November 6th, 2012.