Many users of 4TB SSDs and large NVMe drives tend to use the entire storage space as a single system drive. However, this approach can be risky from an administrative point of view. Strategically partitioning large drives can bring benefits for data security, system recovery, and backup efficiency.
Partitions can be thought of as digital barriers within hardware. If the operating system becomes corrupted, a clean reinstallation is often the quickest way back to a stable system. But if everything is stored on a single partition, users will have to back up terabytes of data before reinstalling, or risk losing it.
Benefits of Partitioning
By separating the operating system and user data into different partitions, users can completely wipe and reinstall Windows while keeping their data untouched. This saves time and spares stress in crisis situations.
For example, users can store their operating system on partition C: and their user data on partition D:. This way, they can reinstall Windows without affecting their game collections, video projects, and documents on the second partition.
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Optimizing Cluster Size
To optimize their configuration, users need to analyze their current setup. They can do this by opening the Command Prompt with administrator rights and entering the command fsutil fsinfo ntfsinfo C:. The results will show the value ‘Bytes per cluster’.
Users can change the cluster size in Windows 11 via the Windows Settings. They need to go to ‘System’ and then click on ‘Storage’ on the right. Then, they can expand ‘Advanced storage settings’ and select ‘Disks and volumes’.
After selecting the desired data partition, users can click the ‘Properties’ button and then the ‘Format’ button. In the dialog box, they need to select ’64KB’ explicitly instead of ‘Standard (4KB)’ under ‘Allocation unit size’.
Technical Considerations
The adjustment to 64KB reduces fragmentation in large files and minimizes the amount of metadata that needs to be managed in the Master File Table (MFT). However, there is a technical limitation: with the standard cluster size of 4KB, an NTFS partition is limited to a maximum of 16TB.
