MP3 machine you need to decide how much capacity is the capacity of MB or GB Walkman to the marker. 1MB able to store the equivalent of one minute of CD sound quality of MP3 music. Hard disk MP3 friends at the office files of hope enough storage capacity so that they could enjoy a full day of music. A 4GB hard disk, can store about 1000 MP3 songs, one plane 20GB hard disk can store about 5,000 MP3 songs, one plane 60GB hard disk can store about 15,000 MP3 songs, and so forth. Meanwhile you can use the MP3 machine as a portable hard disk, using the remaining aircraft stored songs. The computer files can also store other information. Digital film-lovers can one 30GB or 60GB hard disk to store a digital photograph. Color screens broadcast JPEG, BMP, GIF and TIFF formats or encountered have photographs, iPod photo models can also broadcast pictures of the slides. Flash (flash), MP3 plane about an hour a day if you only use the MP3 campaign plane, there is no need to consider the question of the size of storage capacity. RAM will give you storage capacity of about one hour of MP3 songs, which is about 32 songs. If you want to store a variety of formats the songs, then you need to consider increasing the storage capacity of MP3. Some flash (flash) memory card also supports MP3 plane functions A 512MB memory card can store about eight hours of songs. Zhang Xiaoji, or you can use many different capacity memory cards to store songs.