320 GB Internal Hard Disk Drive Slim Portable Hard Drive For Xbox360 S Set
However, this is allowed. 40 GB = about 37GB 60 GB = about 55GB 80GB = about 74GB 120GB = about 111GB 160GB = about 149GB 250GB = about 232GB 320GB = about 298GB 500GB = about 465GB 640GB = about 595GB 1TB = about 930GB.