Its not a memory unit its an external USB HDDMicrosft have recently updated to stop 3rd person partys external memory units being used as hdd and memory card. if that is what u where using it for
I have a Seagate 1TB external HD & my 360 cant read it either,its formatted to NTFS,if i reformat it to run FAT32 (after backing everything up of course) will my 360 recognise it then?