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What does 4K alignment of hard disk mean? What exactly should I do?
One, "4K alignment", is the use of SSD solid state hard disk must do homework
1, due to the characteristics of the SSD hard disk read-write mechanism, write data, is to 8 sectors (4096KB) for a basic storage unit. Write full continue to the next 4K block write operation;
2, if the SSD hard disk does not have 4K alignment processing, data writing will be 4K "overrun", read the data will be in the overrun, the second time back and forth to read, read the data to increase the time, reducing the efficiency of reading and writing.
Two, SSD hard drive alignment methods
1, the new disk directly with Win7 and above version of the operating system's "Disk Management" tool, formatting operation that will automatically 4K alignment. DiskGenius tool can also be used, in the partition, according to the 4KB integer multiplier set sector parameters;
2, has installed the system SSD hard disk, you can use the system data does not destroy the 4K alignment tool software processing. Such as Alignment Tool see below;
3, download and install, open the interface, the computer hard disk at a glance, select the SSD disk, the small box in front of the yellow disc symbol is selected, click the bottom of the "Align Patitions" button, you can perform the task of aligning operations;
4, if the SSD disk, displayed as "Align Patitions", the SSD disk, the SSD disk, the SSD disk, the SSD disk, the SSD disk, the SSD disk, the SSD disk, the SSD disk, the SSD disk, the SSD disk and the SSD disk. If the SSD disk drive, displayed as "pink" color, that the disk can not be aligned to deal with, and will give a prompt to notify the user. This software can not be resolved, that is, only to do a backup, re-partitioning formatting 4K alignment.
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