VHDX
VHDX Virtual Hard Disk
VHDX is a virtual hard disk format developed by Microsoft, designed to support much larger storage capacities and advanced features compared to its predecessor, VHD.
What is VHDX Virtual Hard Disk?
Introduced in Windows Server 2012 and Windows 8, VHDX is the modern virtual hard disk format for Hyper-V. It supports storage capacities up to 64 TB, provides data corruption protection during power failures, and offers structural alignment optimization for large sector disks. ConvertX allows you to easily convert VHDX files to other formats like QCOW2 for cross-platform virtualization.
Advantages
- Supports up to 64 TB of storage capacity
- Power failure resilience through transaction logging
- Data alignment optimization for 4K native disks
- Support for custom metadata and large block sizes
Limitations
- Limited native compatibility outside of Windows and Hyper-V ecosystems
- Backward incompatible with older versions of Windows and Virtual PC
How to open VHDX Virtual Hard Disk files
Microsoft Hyper-V Manager
Disk Management (Windows built-in)
VirtualBox
QEMU
Proxmox VE
Common use cases
- Hosting virtual machine operating systems in Hyper-V
- Creating large-scale virtual storage pools
- Testing software in isolated virtual environments
- Deploying pre-configured virtual appliances
VHDX converters
Explore other formats
Frequently asked questions
A VHDX virtual hard disk can support capacities up to 64 TB, significantly larger than the 2 TB limit of the older VHD format.
Yes, you can mount a VHDX file directly in Windows via Disk Management or File Explorer by right-clicking the file and selecting 'Mount'.
You can use the ConvertX platform and tools like qemu-img via supported conversion pipelines to convert VHDX disk images into the QCOW2 format for KVM-based hypervisors.