Bernoulli box　

Bernoulli box　伯努利磁盘　

alternative to hard disk storage.It provides reliability，good performance，large capacity，fast data access，safety（absence of head crashes and data damage），and built-in backup capability.The box incorporates the best features of hard disk and floppy disk.It has the convenience of a removable floppy disk and the quickness of a hard disk drive.There is an external drive system containing cartridge drives.It has virtually unlimited storage expansibility in 10-megabyte segments in the form of 81ú4inch removable Bernoulli cartridges.However，Bernoulli is higher priced relative to other large hard disk drives.