There are four editions of AOMEI Dynamic Disk Manager - Pro Edition, Server Edition, Unlimited Edition and Technician Edition. The following diagram provides the differences and restrictions among them.

Features	Pro Edition	Server Edition	Unlimited Edition	Technician Edition
Dynamic Volume Management
Create, delete, format volume
Resize, shrink, extend, move volume
Change drive letter, change volume label
New! Basic Disk Management
Create, delete, format basic partition
Resize, shrink, extend, move basic partition
Change drive letter, change partition label
Disk Converter
Convert dynamic disk to basic
Convert basic disk to dynamic
Convert GPT disk to MBR
Convert MBR disk to GPT
Initialize disk as MBR or GPT
Step-by-Step Wizard
Create Volume Wizard
Add Drive to RAID
Remove Drive from RAID
Move Volume Slice Wizard
Supported Operating Systems
Windows 7/8/Vista/XP/2000 (32/64 bit)
Windows 2000 Server and Advanced Server
Windows Server 2003 and 2003 R2 (all editions, including SBS)
Windows Server 2008 and 2008 R2 SP1 (all editions, including SBS)
Windows Small Business Server 2011
New! Windows Server 2012 and Windows 8
Availability
For business users
Support MBR & GPT disk
Support maximum 5TB dynamic volumes
Support maximum 256 hard drives within one system
Allow unlimited usage within one company
Provide technical services to clients
Free lifetime upgrades
Free e-mail support
Data protection
Price	US$ 36.00	US$ 139.00	US$ 389.00	US$ 699.00
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