Xbox owners may want to consider a hard drive upgrade if they wish to play Square Enix’s latest in the Final Fantasy series with minimum loading and pop-ins. XIII, between its three discs, is reported to take up 18.3GB of space on the HDD. Split evenly between Disc One (5.9GB), Disc Two (5.8GB), and Disc Three (6.6GB), the massive amount of storage required is presumably to assure a similar level of quality between it and the PS3 version, whose blu-ray discs are able to store multiple times the amount of DVDs.