Microsoft has introduced Dev Drives for Windows 11, enhancing developer workflow speeds by up to 41%. This feature primarily targets developers handling intensive file tasks.
Function and Format
Dev Drives, designed for Windows 11, are virtual storage solutions intended to optimize development performance. They can be configured as partitions or as more flexible virtual hard drives (VHDs). The drives utilize the Resilient File System (ReFS) and gain trusted status under Microsoft Defender, minimizing continuous file scanning and improving data access speeds.
Performance and Use Cases
According to Microsoft, Dev Drives can deliver up to 41% faster performance in certain workloads. Typical use cases include cloning code repositories and compiling source files. The VHD format provides additional benefits, such as portability and dynamic resizing, though developers are advised against moving active drives between systems.
Implications and Best Practices
While disabling Defender scans is often acceptable for trusted build files, caution is crucial when handling untrusted or downloaded content. Developers can access Dev Drives through the Windows 11 Settings app, offering a significant productivity uplift for software development tasks.



