This article can tell readers what NTFS allocation unit size is the best and how to change and reset it. Besides, it also includes a professional format tool to help change the NTFS allocation unit size.
You must read this article to know the answers to the questions above. So let's get straight to it!
Your allocation unit's size will equal the size of an empty file. If you have several small files but a large allocation size, every file on your drive must be at least this huge, which could consume a lot of space on your hard drive. To utilize an extreme example, if you possess 1MB NTFS allocation size and 10 8KB files, each will consume 1MB. 10MB would be the entire drive space, not 80KB. Therefore, it can be seen that it's enough squandered space!
Usually, 4 Kilobytes is the most common NTFS allocation unit size nowadays. When you keep your allocation unit size small, a higher allocation time will be required, leading to a slower PC. However, it will take maximum disk space if it's too big.
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Remember that if you fall under Microsoft's definition of a "Standard User," you should stick with the default 4096 bytes. However, the default criterion could be changed based on what you use them for in different partitions.
NTFS Allocation Unit Size for Movies:
You might select the 2MB maximum allocation unit size, but remember that this will result in smaller files (such as subtitle files) using the bare minimum of that space.
NTFS Allocation Unit Size for Images:
On the other hand, having a devoted drive to images and music might change things; for example, the music and image files are smaller than the movies. Hence, you may aim to keep the size of your allocation units below the size of your audio and video files.
For other knowledge about allocation unit size, such as the best SSD cluster size, please check the following article:
What's The Best SSD Allocation Unit Size in Windows 11/10
On this page, we will introduce what is the best SSD allocation unit size in Windows 11/10. And you can also get the best solution to change it.
While setting the NTFS allocation unit size, you must scan the given partition or drive and understand what's ideal for that particular one. In case it seems doubtful, you may leave it as the default. However, two possible ways are the following to change and reset the NTFS allocation unit size:
Do you know with the support of a professional partition manager, you can change the NTFS allocation unit size? That top-notch software is EaseUS Partition Master Free, an all-in-one free tool designed for every user.
You may use the CMD command prompt to alter the NTFS allocation unit size for videos and games. Follow the steps below to change the NTFS allocation unit size with diskpart commands in CMD:
Step 1: To launch the run, hit window + R.
Step 2: To access the ongoing command prompt as the administrator, type " CMD " command and hit Ctrl + Shift + Enter.
Step 3: Hit "Enter" to open Diskpart.exe after entering the diskpart.
Step 4: Type the below-mentioned command, and keep pressing enter:
After skimming through this article, you must have understood what NTFS allocation unit size is and how to set one with the help of two methods. What's more? You can easily complete this task using third-party software or a built-in Windows application.
Regarding EaseUS Partition, it cannot only modify cluster size without costing consumers anything, but it can also repartition hard drives and convert FAT32 to NTFS and NTFS to FAT32 without formatting or losing data, among other disc partitioning-related tasks.
The FAQs about NTFS Allocation Unit Size are below to better comprehend the topic. If you have further problems, continue to read.
1. Does allocation unit size affect speed?
Yes. If the allocation unit size is too small, it may reduce your PC's speed. Moreover, allocation might take longer when more units are assigned to every file. However, if you make the allocation unit size too much, it will consume valuable disk space.
2. What allocation unit size should I use for the NTFS flash drive?
If your flash drive is bigger than 16GB, the most appropriate allocation unit size must be 16KB. However, the default cluster size for NTFS drives is 4KB for 7MB - 512MB, 512MB - 1GB, 1GB - 2GB, and 2GB - 2TB.
3. What will happen if the allocation unit size is large?
When you have different small files, it would be an amazing idea to maintain a minimum allocation size so that your hard drive space will stay manageable. On the other hand, when you possess several larger files, keeping the allocation size higher will boost the system's performance because there will be fewer blocks to aim for. However, if the allocation size is extremely big, it will consume the maximum of your PC's disk space.
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