Portable hybrid storage medium

The present invention relates to providing a portable storage medium (10,20) and a stamping unit (70) for producing such a portable storage medium (10,20), for enabling reading data at a high data rate and writing data. The portable storage medium (10,20) for storing data, is further insertable in a data reading and/or writing device, comprises a data portion (12,22), wherein the data portion (12,22) comprises a first division comprising a group (32,418,54,64) of essentially parallel transversely separated first tracks (36,39,408), wherein said first tracks (36,39,408) have a first format, and a second division comprising a second track (33,52,62) of a second format, wherein the group (32,418,54,64) of essentially parallel transversely separated first tracks (36,39,408) has a parallel format, so as to enable parallel reading of content at a high data rate.