Common disk formats and the differences between them

Catalog

Preface

One 、 demonstration

Two 、 Common disk formats

1.FAT32

2.NTFS

3.exFAT

4.FAT16

Two 、 difference

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Preface

Throughout the world , Disks occupy the body of almost all electronic devices , They all have storage functions , But there are different formats . today , Let's take a brief look at these behind the scenes “ Internet workers ”.

One 、 demonstration

that , How to check your computer and U Disk format of disk , We use windows Computer as an example , Open the disk management tool of the system , You can see the format of your disk , The details are shown in the following figure ：

Two 、 Common disk formats

1.FAT32

In life , our U The plates are basically FAT32 Format , Its compatibility is better than , Almost all current mainstream systems support this format . But its security is not high , Cannot set permissions , Disk utilization efficiency is also relatively low , The key is to limit the size of a single file , The copy size cannot exceed 4GB Capacity , The length of the file name is also limited , No more than 255 character .

In this format U disc , We are copying more than 4GB When the file is , The system will prompt “ File is too large. ”, Unable to complete copy . With U The capacity of the disk is getting larger , Not recommended FAT32 Format .

2.NTFS

NTFS Currently, it is the most widely used partition format , Support setting permissions , And ratio Fat32 Many more functions , And in security and ease of use 、 Excellent stability . It's in Win 2000 Then it began to popularize , Up to now NTFS The biggest support 256TB（MBR）,GPT Partition is the largest support 128EB. At present, most computer hard disks are used NTFS, When we partition on the computer, we suggest that NTFS Format type ！U Disk is not recommended NTFS Format , It will greatly shorten the service life .

3.exFAT

exFAT It can also be called FAT64, stay Windows CE6 After that , It solves FAT32 I won't support it 4G The problem of the above large capacity files , Direct maximum support 16EB（ at present 256GB）,Windows And Mac All support this format , There are also very strong cross platform capabilities . It is designed for flash memory by Microsoft （U disc 、 Memory card ） File system designed by flash device , Very good compatibility . recommend U Disk and other mobile devices use this disk format .

4.FAT16

The biggest support 2GB The size of the partition , At present, it has been eliminated .

Two 、 difference

About the choice of hard disk format ,NTFS The format is more suitable for computer disks （ Mechanical drive 、 Solid state disk ）,exFAT The format is suitable for flash drive （U disc ）.exFAT The format is FAT32 Updated version of , It mainly breaks through the limitation on the size of a single file .

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