![]() If users are creating partitions on SSD or advanced formatted HDD under old versions of Windows, including Windows XP, Windows Server 2003, Windows 2000, etc., partition alignment is required since these operating systems do not have such a function.Therefore, it is very necessary to perform the 4K alignment. Similarly, writing a file will operate 2 physical sectors at least, which definitely will increase writing times and waste disk space. When we are creating partitions on hard disks which use 4K physical sector, the partition always does not start from the starting position of a physical sector, which means physical sector and cluster will be shifted.Īs a result, reading data saved in one cluster will access 2 physical sectors, thus increasing access time or slowing down read speed. One cluster can only hold content of one file no matter how small the file is. And actually, it refers to the alignment between 4K physical sector and cluster.Ī cluster is the smallest logical amount of disk space that can be allocated to hold a file. Why Align PartitionĤK alignment is a quite important issue for hard disks which employ 4K sectors, including both Solid State Drive (SSD) and advanced formatted mechanical hard disk. ![]() The Align Partition feature added in MiniTool Partition Wizard helps users align the specified partition in several simple steps. ![]() Check this post for detailed steps to align a partition with MiniTool Partition Wizard. It is very necessary to align partition after copying a partition to SSD/HD or frequently changing the location and size of a partition. This article introduces an excellent partition alignment tool - MiniTool Partition Wizard Free Edition.
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