u disk NTFS, EXFAT format of the difference

u disk partition Format I believe we all know some of the more common have fat, FAT32, NTFS and Exfat,fat has slowly been eliminated, as a single file is getting larger (such as high-definition movies, large game installation package), more than 4G of files, FAT32 format is not supported, So the NTFS or EXFAT format is the applicable partition format for U disk. Now let's look at their characteristics and differences.

NTFS (New Technology file system) is a file system for WindowsNT and Advanced Server network operating system environments designed to provide higher reliability than FAT32 and eliminate FAT32 file system capacity limits. In addition to supporting larger partitions and files and saving hard disk space, it also provides features such as long filenames that FAT32 file systems cannot provide, compressed partitions, event tracking, file indexing, high fault tolerance, data protection and recovery, and encrypted access.

Although NTFS has many advantages, it is designed for traditional mechanical hard drives. It uses a "log-type" file system, requiring frequent recording of the disk's detailed read and write operations, will give u disk or SSD such storage media to bring additional burden. For example, the same access to a file or directory, NTFS partition format is much more read and write than FAT32, so the theoretical use of NTFS-formatted disk drive life is shorter.

To this end, Microsoft has developed the exFAT file system (Extended file allocation Table filesystem) on the basis of the traditional FAT 32 partition, which makes up for the limitation and disadvantage of FAT32, and does not have the function of NTFS which can affect the life of U disk. Suitable for all kinds of mobile memory card and flash disk. Relative to the FAT32 file system,

The exFAT file system has the following advantages:

Enhanced interoperability of desktop and mobile devices;

The size of the partition and the size of the supported single file can be up to 16EB (16X1024X1024TB);

Cluster size is very flexible, the minimum of 0.5KB, up to 32MB;

Use the remaining space allocation table, the space utilization is higher;

The maximum number of documents can reach 65,536 in the same directory;

Support access control.

Currently, only u disk and memory card can be formatted into EXFAT, the traditional hard disk can not be formatted into EXFAT format, so it is a special disk for the file system. However, as a new filesystem, exFAT is currently supported only by Windows XP SP3, Vista SP1 and above (Windows 7 default support). For handheld devices such as high-definition PMP players, exFAT is a completely new thing, a lot of people do not know. Therefore, although EXFAT is the most suitable file system for u disk, it can take into account the bulk file storage, transmission performance and life, but from the compatibility point of view, most HD player players still can only use NTFS.